Students and Teachers Forum

Here,  a3 + 6a2 + 12a + 8       =  a3 + 23 + 6a2 + 12a   [ 8 = 23]       = (a + 2)(a2 - 2a + 4) + 6a(a + 2)  [ a3 + b3 = (a + b) (a2 - ab +b2)]   .....

Here, 4x - 1 + 4- x = 1   or, 4x/4 + 1/4x = 1  [ a-x = 1/ax]   put a = 4x or, a/4 + 1/a = 1 or, (a2 + 4)/4a = 1 or, a2 + 4 = 4a or, a2 - 4a + 4 = 0 or, (a - 2)2 = 0 [ (a - .....

.....

  From LHS.      (1+ tanA tanB)2  + (tanA - tanB)2  =  1 + 2tanAtanB + tan2Atan2B + tan2A - 2tanAtanB + tan2B [ using: (a + b)2 and (a - b)2] = 1 + tan2Atan2B + tan2A + tan2B = (1 + tan2A) .....

The author has not revealed the reason behind the hurried climbing of the tree.  The author himself was unknown why he was climbing a tree as his uncle didn't tell him what was going .....

So, two factors on which gravitational force depend are: 1. Product of the masses of two bodies 2. Square of the distance between their .....

Now, total weight of 9 men = 147 + 153 + 168 = 468 kg. Hence, average weight of 9 men = 468/9 = 52 .....

Again for 2 years,  Compound interest = P [ (1 + R/100)T - 1] Use T = 2 years, P = Rs. 46875 and R = 4%. You will get required .....

.....

A census is a procedure of systematically acquiring and recording information about the members of a given population. The term is used mostly in connection with national population and housing censuses. The other common censuses include .....

Explanation: You might have played a swing from side to side for hours, days or even longer. When you're on a swing, it is attached to a bar. As you swing back and forth, the bar above you does not move. Here, the swing acts as a .....

ii) A body is said to be at motion if it changes its position     with respect to other bodies around it.     During motion, a body covers certain length which we call as distance.     The distance covered .....

Answer: Time period is a unit of measurement used to denote a length of time.  it is measured in seconds, minutes, hours, days, weeks, months or years with an established beginning date and ending date. Time period is the period .....

सृष्टिकालको कुरा हो।

त्यसबखत स्वर्गमा आगो थिएन। पृथ्वीमा उज्यालो थिएन। त्यसैले भगवानले .....

.....

Distance formula is used in co-ordinate geometry. It is distance between two points. Let, A(x1 , y1) and B(x2 , y2) are two points. Then, AB is the distance between point A and point .....

There are numbers of factors or reasons by which China is known as one of the rapid developed country.  China's economic success is due to reasons such as human capital/labour supply, female participation in  workforce, political .....

Length = 3 x width = 3 x 4m = 12m Area of room  = l x b  = 12m x 4 m = 48m2 We know,  Area of room = area of carpet or, 48 m2 = L x 2.4m or, L = 20 m  Finally, Total cost = L x Rate = 20m x Rs.320/m     .....

In the language of the Tibeto-Burma people, 'Ne' means 'cattle' and 'pa' means 'people'. Kathmandu valley had a good grassland for cattle and the main occupation of the people was to rear animals. So, it was called .....

The conservation of the monuments can be done in the following ways: - The public awareness campaign should be conducted so that the local people understand the    importance of the monuments. - The government should formulate plans and .....

.....

Last week, I visited a historical place named National Museum in Kathmandu. A brief introduction about the historical place is presented below: A historical place: National Museum Name of the Historical Place: National Museum Chhauni .....

1.Who thought you karate?

Ans- By whom was the Karate thought to you?

2.Can he borrow your umbrella?

Ans- Can your umbrella be borrowed by him?

3.Are they typing the letter?

Ans- Is the letter being .....

नेपालको रसुवा जिल्लामा ४,३८० मिटरको उचाईंमा रहेको गोसाइँकुण्ड चौथाइ माइल फराकिलो नीलो .....

Lionel Messi -- Known as one of the best footballer in the .....

Our personal life is highly dependent on the technology that people have developed. Technology has advanced with years and it has changed the way we purchase products, the way we .....

विभक्ति भनेको वाक्यमा क्रियापदसँग सम्बन्ध राख्न आएका नाम र सर्वनामलाई कारक .....

Climate change is a change in the distribution of weather patterns which lasts for an .....

Nepal established diplomatic relations with the United Kingdom in 1816.  Treaty of Friendship .....

A economic plan may be defined as a well managed and guided plans for obtaining certain economic target by proper utilization of resources. However most of the economic plans in Nepal failed to achieve their target due to following reasons: Most .....

The bases of Nepal's foreign policy are as follows: - Mutual respect for each other’s territorial integrity and sovereignty  - Non-interference in each other’s internal affairs  - Respect for mutual equality  - .....

Trade which takes place inside the boundaries of a country is known as internal trade. If trade .....

The solutions to these problems are as follows: - The balance between export and import should be maintained properly. - The problem of open border should be managed well. - The limited trade market should be extended to different countries in .....

The process of expanding trade or different items to different countries by not being limited only to specific goods and countries is called trade diversification. Trade can be a key factor in economic development. The prudent use of trade can .....

To attract the youths towards agriculture, the government of Nepals should take the following steps: - The government should made the provision of providing agro-loan to the youth so that they   are attracted to agricultural .....

The difference between internal and external trade is shown in the following points: Internal Trade External Trade Internal trade is carried within the countries. External trade is carried across the boundary with foreign .....

Let the present age of son be 'x'. From given condition, Present age of father = 2(x + 3) Now,  Age of father two years hence = 2(x + 3) + 2 = 2x + 8 Age of son 1 year ago = (x - 1) From another condition, Age of father two years .....

Agricultural is regarded as the backbone of Nepalese economy. But agricultural development is not satisfactory. The agricultural production and productivity is low. Agriculture provides the raw materials used in the industries. So, for the .....

समाजको अस्त्तित्व कायम राख्न मानिसले धेरै कुराहरुको पालना गर्नु आवश्यक छ | मानिसले सनातनदेखि .....

Here, they look similar or related but they are  a little different. They have different number of methylene (CH2 ) groups and differs from the next member by a constant unit, methylene group (-CH2-). Hence, a homologous series in .....

People belonging to Hinduism conduct their own type of rites and rituals. They celebrate Dashain, Tihar, Teej, etc. On the other hand, people belonging to Buddism conduct their own type of religious conducts. They celebrate Budda Jayanti, Loshar, .....

The need and the importance of socialization is highlighted below: - Socialization is needed because a biological creature is changed into a social being through   socialization. - People learn to adapt in a society through .....

The four language groups found in Nepal are as follows: a. Indo-European: Nepali, Maithili, Bhojpuri, Tharu, Awadhi, Rajbansi, Hindi, Urdu b. Tibeto-Burman: Tamang, Newar, Magar, Rai, Gurung, Limbu, Bhote, .....

Bhandarkhal Event: The mass killing of the courtiers which was carried out at the Bhandarkhal garden at Ashwin 17 1903 BS is known as Bhandarkhal parwa. It was thought to be the outcome of a conspiracy of Queen Rajya Lakshmi to kill Jung .....

Rana regime was started in Nepal after the Kot massacre in 1903 BS. Definitely, Kot Parva occurred due to the weakness of King Rajendra. Some historians took this murder episode as a result of a conspiracy hatched by Jang Bahadur. From the .....

Rajendra Bikram Shah was King of Nepal from 1816 to 1847. He became king at age three on the death of his father Girvan Yuddha Bikram Shah Deva. His reign saw the rise of the Ranas; in 1846, Jung Bahadur Rana came to power and the next .....