Maths
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230
In (sin^-1 x )^2 - (cos^-1 x )^2 = a for 0 < x < 1. Then find 2x^2 - 1.
By Shilpi98, 3 years ago
replies 1
0
1
226
A plane has equation x - y + z = 5 and a line has direction ratios as (2, 3, -6), then the...
By Shilpi98, 3 years ago
replies 1
0
1
213
In a ∆ABC, if sin A/sin B = sin(A-b)/sin(A-c) and a, b, c are the sides of the ∆ABC, then ...
By Shilpi98, 3 years ago
replies 1
0
1
229
If y = log x + log x^(1/3) + log x^(1/9) + .. and (2 + 4 + 6 + ⋯ + 2y)/(3 + 6 + 9 + ⋯ + 3y...
By Shilpi98, 3 years ago
replies 1
0
1
107
Tangent and normal at P(2, -4) to parabola y^2 = 8x meet directrix at A and B. Q(a, b) is ...
By Shilpi98, 3 years ago
replies 1
0
1
85
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1
155
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237
In a certain biased die, the probability of getting a particular face is (1/6 + x) and the...
By Shilpi98, 3 years ago
replies 1
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