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279
If ∫(2e^x + 3e^-x)/(4e^x + 7e^-x)dx = 1/14 (ux + v loge(4e^x + 7e^-x) + C, where C is a co...
By Shilpi98, 3 years ago
replies 1
0
1
195
An online exam is attempted by 50 candidates out of which 20 are boys. The average marks o...
By Shilpi98, 3 years ago
replies 1
0
1
194
3 × 7^22 + 2 × 10^22 – 44 when divided by 18 leaves the remainder __________.
By Shilpi98, 3 years ago
replies 1
0
1
230
Two circles each of radius 5 units touch each other at the point (1, 2). If the equation o...
By Shilpi98, 3 years ago
replies 1
0
1
155
Let A (secθ, 2tanθ) and B (secφ, 2tanφ), where θ + φ = π/2, be two points on the hyperbola...
By Shilpi98, 3 years ago
replies 1
1
1
1745
Let S = {1, 2, 3, 4, 5, 6, 9}. Then the number of elements in the set T = {A ⊆ S : A ≠ φ a...
By Shilpi98, 3 years ago
replies 1
0
1
141
Let z1 and z2 be two complex numbers such that arg (z1 – z2) = π/4 and z1, z2 satisfy the ...
By Shilpi98, 3 years ago
replies 1
0
1
204
The probability distribution of random variable X is given by: X → 1 - 2 - 3 - 4 - 5 P(X) ...
By Shilpi98, 3 years ago
replies 1
0
1
278
Let S be the mirror image of the point Q(1, 3, 4) with respect to the plane 2x – y + z + 3...
By Shilpi98, 3 years ago
replies 1
0
1
327
Let S be the sum of all solutions (in radians) of the equation sin^4θ + cos^4θ – sinθ cosθ...
By Shilpi98, 3 years ago
replies 1
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