Students and Teachers Forum
Here, slopes of given lines (a - 1)x + y = 5 is m1 = - coeff.ofx/coeff.of y .....
Here, slopes of given lines 6x - 5y = 4 is m1 = - coeff.ofx/coeff.of y .....
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Here, Slope of line joining the points (5, 6) and (2, 3) is m1 = (3-6)/(2-5) = 1 Slope of line joining the points (5, 3) and (2, 3) is m2 = (3-3)/(2-5) = 0 If θ be the angle between them then, .....
Here, Slope of line 2x + 3y = 8 is m1 = -coeff.of x / coeff.of y = -2/3 Slope of line 3x + 2y = - 5 is m2 = -3/2 If θ be the angle between them then, tanθ = ∓ (m1 - m2)/( 1 + m1m2) .....
Here, Slope of line x - 3y + 2 = 0 is m1 = -coeff.of x / coeff.of y = 1/3 Slope of line x + 2y = 8 is m2 = -1/2 If θ be the angle between them then, tanθ = ∓ (m1 - m2)/( 1 + m1m2) .....
३. (क) उनीहरू घरमै बस्छन् । (ख) ऊ असल छ । (ग) हरिले कथा पढेको थियो । (घ) तिमीहरू राम्रा अक्षर लेख्दै .....
The names of some scientists are: Albert Einstein Sir Isaac Newton Stephen Hawking Michael Faraday Madam Curie Galileo Galilei Alexander Graham Bell and so .....
Here, 1/4a3(a + x) - 1/4a3(x - a)+1/2a3(a2 + x2) - a4/(a8- x8) = {1/4a3(a + x) - 1/4a3(x - a)}+1/2a3(a2 + x2) - a4/(a8- x8) = {(x - a - a - x)1/4a3(a + x) (x - a)}+1/2a3(a2 + x2) - a4/(a8- .....
Let, f-1(x) = y = 3x - 2 Under the function f, role of x & y are interchanged. i.e; x = 3y - 2 or, x + 2 = 3y or, (x + 2)/3= y Thus, f(x) = .....
Solution : depth of water h = (5 - 2 )m = 3 m density of water d = 1000 Kg/m3 acceleration due to gravity g = 9.8 m/s2 so, Pressure at its base P = hdg = 3 * 1000 * 9.8 = 29400 .....
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Let the coordinates of A be (a, 0) and B is (0, b). [ Since, in X-axis, y is zero and in Y-axis x is zero.] Here, m1:m2 = 1:2 (x, y) = (-4, 2) (x1 , y1) = (a, 0) (x2, y2) = (0, b) .....
सन्तानः छोराछोरी आफ्ना सन्तानले राम्रो काम गरे भने बुबाआमा खुसी हुन्छन् .....
The term windward is used in a number of ways to describe specific places, physical features and climatic processes. Windward generally refers to the location of a place relative to the prevailing wind direction. A windward location is one that .....
The common characteristics are as follow. They both live in water. They both have fins and tail. That's only the common thing between fish and dolphin. They are different from each .....
Dear student please send in your picture as .....
Rate of change of distance is called speed. Since, speed = distance / .....
Here, We have given, (a - 3) = (32/3 + 31/3) Cubing both sides, we get (a - 3)3 = (32/3 + 31/3)3 Using formula of (a-b)3 and (a + b)3, w eget a3 - 3.a.3(a - 3) - 33 = (32/3)3 + .....
Speed is the rate at which an object covers a specified distance. It is a scalar quantity since direction is not necessary. For example, if a person runs 2 kilometers in an hour, his speed is 2 kph. It does not matter if he runs on a straight road .....
The name of this quantity is called .....
In my family, my grandfather and grandmother are the eldest members and my neice is the youngest member of my .....
Potassium metal reacts vigorously with all the halogens to form potassium halides. So, it burns with fluorine, F2, to form potassium(K) fluoride, KF. F + K → KF This reaction is an exothermic .....
Here, ∡BGH = ∡GHD [ Since corresponding angles are equal.] or, .....
Here, 4225a² - 130ab - 3b² - c²-4bc = 652. a² - 2.65a.b + b2 - b2- 3b² - c²-4bc = (65a)2 - 2.65a.b + b2 -(4b² - 4bc + c²) = (65a - b)2 - {(2b)2 - 2.2b. c + .....
Here, a + b = 20 and ab = 75 We know, (a + b)2 = a .....
Here, P = Rs.125000 PT = Rs.64000 R = 20% Time = ? We know, PT = P(1 - .....
Here, LHS = (2cos2A - 1)(2cos2A + 1)(2cos4A - 1)(2cos8A - 1) = {(2cos2A)2 - 12}(2cos4A - 1)(2cos8A - 1) = (4cos22A - 1)(2cos4A - 1)(2cos8A - 1) = {2(cos4A + 1)- 1}(2cos4A - 1)(2cos8A - 1) .....
Here, LHS = √[2 + √{2 + 2cos4A}] = √[2 + √{2 + 2(2cos22A - 1)}] [ Since, cos2A = 2cos .....
Here, RHS = (2cosA - 1)(2cosA + 1)(2cos2A - 1) = {(2cosA)2 - 12}(2cos2A - 1) = (4cos2A - 1)(2cos2A - 1) = {2(cos2A + 1)- 1}(2cos2A - 1) [ Since, 2cos2X = 1 + cos2X.] = (2cos2A + 1)(2cos2A - 1) = 4 .....
Here, let's start from LHS, Which is your .....
A conflict may be defined as the outcome of the differences between the cultures, ideas, knowledge, civilizations etc. Conflict is an integral part of human civilization and development. The conflict helps in the development of the human race as .....
The festivals or rituals are religious activities based upon the religious text. Some of the festivals or rituals are: Dashain Pasni (rice .....
Copper forms two oxides in accordance with its two valences: cuprous oxide, Cu2O, and cupric oxide, CuO. Cuprous oxide, a red crystalline material, can be produced by electrolytic or furnace methods. It is reduced readily by hydrogen, carbon .....
Your question is wrong. Post another clear .....
उत्तरः
Here, RHS = cotA/(1 + cotA) Changing cot into tan, we get = (1/tanA)/(1 + 1/tanA) [ Sicne, cotA = 1/tanA.] = .....
Cos30o = BD/AB = a/2a = .....
Here, (x2 + 3xy + y2)( x2 -3xy + y2) = x4 - 3x3 y + 3xy3 .....
Here, 4225a² - 130ab - 3b² - c²-4bc = 652. a² - 2.65a.b + b2 - b2- 3b² - c²-4bc = (65a)2 - 2.65a.b + b2 -(4b² - 4bc + c²) = (65a - b)2 - {(2b)2 - 2.2b. c + .....
Here, (xb + c / cc-a)a-b X (xc + a / ca-b)b-c X (xa +b / cb-c)c-a . = (xb + c -c+a)a-b X (xc + .....
Local participation, commonly referred as community participation, is an activities in which each members of a community participate together in social, cultural and economic upliftment of the whole .....
S.I unit : meters per second (m/s) In equation form, that is v =d/t where v is speed, d is distance(m), and t is .....