Students and Teachers Forum
Here is an example: Please llok it & try yourself. Question: Find the equation of tangent of circle x2 + y2 - 2x + 4y + 3 = 0 at the point .....
Here, x ≥ -3 then, put, x = -3, -2, -1, 0, 1 ............., y = 3x + 2 = 3 (- 3) + 2 = -7 y = 3 (- 2) + 2 = -4 y = 3 (- 1) + 2 = -1 y = 3 (0) + 2 = 2 hence, y = -7 , .....
Here, x < -2 then put x = -3, -4, -5, -6, -7, -8, -9 ............. So, y = 3 - 5x = 3 - 5(-3) = 18 y = 3 - 5x = y = 3 - 5(-4) = 23 y .....
Here, y > -2 then, put y = -1 , 0 , 1, 2, 3, 4, 5.............. If, y = -1 then 3x + 5y + 4 = 0 .....
Here, x ≤ 2 then, put x = 2, 1, 0, -1, -2........... If x = 2, y = 4x - 1 = 4(2) - 1 = 7 If x = 1, y = 4x - 1 = 4(1) - 1 = 3 If x = 0, y = 4x - 1 = 4(0) - 1 = -1 If x = -1, y = 4x - 1 = 4(-1) - 1 = -5 Hence, y = 7, .....
पदवर्ग पहिचान गर्ने तरिका: १. धातु +नु/आइ = नाम धातु +ने/एको/एका/एकी/तो /दो= विशेषण .....
Here, a:b= 2:3 or, a/b = 2/3 ⨯ 2/ 2 = 4/6 And b:c= 2:5 or, b/c = 2/5 ⨯3/3= 6/15 Thus, a:b:c = .....
सुशासन कायम गर्ने उपयाहरू: - सुशासन सम्बन्धि स्पष्ट ऐन नियम बनाई त्यसको पुर्ण लागु तथा .....
To learn the periodic table. You must remember the element and their atomic number. You have to remember where in the group they belong to. You have to remember their atomic weight. And study .....
Communicable disease are caused by the viral infection which can be treated by anti-biotic. But non- communicable disease are caused by the defect of the organs, which are hard to .....
अनौठो : आज स्कुल जाने बाटोमा तिनओटा खुट्टा भएको अनौठो कुकुर देखियो । बिरलै : इतिहासको .....
Here, α = 240o p= 1 units. Equation of stright line = ? We know, Equation of st.line in normal form is x cosα + y sinα = p or, x cos240o + ysin240o = 1 or, x(-1/2) + y(√3/2) = 1 Now simplify and .....
Here, P is principle, T is time , R is rate of interest and I be interest. The rate R% per year means, Rs R is the interest of Rs 100 for 1 year. So, the interest of Re 1 for 1 year = Rs (R/100) .....
Adaptation characteristic of hydrophytes. Roots may be absent (Wolffia, Utricularia) or poorly developed (Hydrilla). Roots, if present, are mostly concerned with Anchorage (Ranunculus). Root caps are replaced by toot-pockets .....
Rights are defined as normative rules. Rights are set by a legal jurisdiction. They are owned by the people. There are ways that rights of people can be obstructed. - During conflicts and war, rights of people are obstructed. - In some cases, .....
The continent experiences a variety of climate due to; - its vast latitudinal extent, - varied relief features, - impact of ocean currents and - prevailing winds. North America lies in a wide belt of temperate region. It also includes the .....
We know that conflict is the cause of misunderstanding between the various ideas, thoughts, and beliefs. It occurs if ideas, thoughts and beliefs contradict each other. We know that society is a web of relationship. People of various .....
A good map should have; - a title, - scale, - legend with appropriate symbols, - a grid reference, and - neat and accurate printing styles that help to distinguish the different types of information the map is .....
Let the numbers are x, 2x & 3x. Then, x, 2x & 3x + 2 are in GP. So, 2x/x = (3x + 2)/2x [ In GP, common ratios are same.] or, 4x = 3x + 2 or, x = 2 Can yo find the numbers .....
Let the numbers are x, 2x & 3x. Then the numbers x + 2, 2x + 4 & 3x + 11 are in GP. or, ( 2x + 4) / ( x + 2) = ( 3x + 11) / (2x + 4) [ Since, in GP, common ratios are same.] or, 2(x + 2 / ( x + 2) = ( 3x + 11) / .....
Population education is the study of the population of a community and state with the purpose of the development of the community. The population education : - population education makes people enabled to take proper decisions on population .....
You know that many Nepalese youths have gone to different countries for foreign employment. They work there and make money. They send the income they earn there to their home country. The money they send to their home country is what we .....
Here, a:b= 2:5 or, a/b = 2/5 ⨯ 3/ 3 = 6/15 And b:c= 3:4 or, b/c = 3/4 ⨯5/5= 15/20 Thus, a:b:c = .....
राज्य संयन्त्रको शक्ति प्रयोग गर्ने अङ्गहरु कार्यपालिका, व्यवस्थापिका र न्यायपालिका अलग अलग .....
यहाँको माटो, हावापानी, मौसम, कृषिका लागि अति नै उत्तम छ। अलैची, चिया, कफी, मह र हिमाली भेगमा गर्न .....
बढ्दो तापक्रम र असन्तुलित रूपमा भएको मौसम परिवर्तनका कारण वातावरण, पर्यावरण र मानव .....
Now change cos into sec and get .....
2y + 3 - 9.2y + 1 = 0 2y + 3 - 9.2y = -1 2y.23 - 9.2y = -1 2y(23 - 9) = -1 2y(8 - 9) = -1 2y( - 1 ) = -1 2y = 1 2y = 20 Hence, y = .....
प्रश्न नै फोटो खिचेर वा लेखेर पठाउनुहोस् न ल .....
Untouchability is a social practice in which a definite group of people are dominated in the name of caste. The members of so-called higher caste consider the so-called lower caste untouchables. Untouchability is a social and legal crime in which .....
Dried foods are tasty, nutritious, lightweight, easy to prepare, easy to carry and easy to use. Low humidity, low heat and good air circulation are critical for successful drying. Some fruits and vegetables suitable for drying include apples, .....
α + β + θ = 180 [ Sum of angle of a triangle ] α + β = 180 - θ Multiplying both sided by cos, we get, cos( α + β ) = cos( 180 - θ ) cos( α .....
Given, α + β + θ = 180 [ Sum of angles of a triangle ] α + β = 180 - θ Multiplying both sides by tan, we get, tan( α + β ) = tan( 180 - θ ) tan( α .....
Given, α + β + θ = 180 [ Sum of angles of a triangle ] β + θ = 180 - α Multiplying both sides by cot , we get, cot( β + θ ) = cot( 180 - α ) cot( β .....
The types of epithelium tissue are: 1. Squamous/ Pavement epithelium. 2. Cubical epithelium 3. Columnar epithelium. 4. Ciliated epithelium. 5. Glandular epithelium. 6. Stratified .....
नेछु जोडेर भविष्यत् काल बनाउनुहोस् न है । धेरै त भविष्यत् काल नै छ .....
(क) मातृभाषाले आफ्नो भाषा बचाई निजीपनलाई चिनाउँछ । (ख) पुर्ख्यौली पेसामा मानिसको दक्षता हुन्छ .....
x2 - 2x - y2 - 2y = 0 x2 - y2 - 2x - 2y = 0 ( x + y )( x - y ) - 2(x + y ) = 0 ( x + y )( x - y - 2 ) = 0 Either, .....
यसलाई नृत्यमा जितेको कल्पना गरी मिलाएर लेख्नुहोस् ल ।
Here, Find the area of triangle by using formula Area of triangle ABC = √[ s(s - a)(s -b)( s - c)] Where, a = 13cm b = 15cm c = 14cm & s = ( a + b + c)/2. Then, Area of //gm ABCD = 2 of Area of triangle .....
Here, 2Cot120o - xSin120o Cos180o = Tan 150o Using values of cot120, sin120 cos180 and tan150, we get 2(-1/√3) - x ( √3/2) (-1) = -1/√3 or, - 2/√3 + x √3/2 = - .....
Here, tan (90o + α) cot(180o - α) + x sec(90o + α) cosec α = x cotα tan(90o + α) Using formula of them we get, or, cot α. cotα + x .....
Prevention is better than cure is a most famous proverb which is a big example for us in our daily life. It teaches us to maintain a healthy, disciplined, and tension free lifestyle in order to remain away from any health issue or disease. It is .....
Here, xsin(90o + A) cos(90o - A) - cos(180o - A) cos(90o + A) = sin(180o - A) sin(90o + A) Using formula of them, we get xcos A. sinA - cos A. sin A = sinA. .....
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Roshan, read the text carefully. When you read the text carefully, you will find the answer. The answer is very simple. Every line is important. Every line has the answer there. Give a try. In the last line you will find the answer of the .....