23
25
13
15
Correct answer is A
For independent events P(X∩Y)=P(X)×P(Y)
215=15×P(Y)
P(Y)=215÷15=23
Simplify:log√27−log√8log3−log2...
If 2\sin^{2}\theta = 1 + \cos \theta, 0° \leq \theta \leq 90°, find \theta...
Find the unit vector in the direction opposite to the resultant of forces. F_1 =...
If 8^{x} ÷ (\frac{1}{4})^{y} = 1 and \log_{2}(x - 2y) = 1, find the value of (x ...
Find the coordinates of the centre of the circle 3x^{2}+3y^{2} - 4x + 8y -2=0...
Simplify; \frac{\sqrt{5} + 3}{4 - \sqrt{10}} ...
Given that f : x \to \frac{2x - 1}{x + 2}, x \neq -2, find f^{-1}, the inverse of f ...