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Let X be a random variable with distribu...

Let X be a random variable with distribution.

If the mean of X is 2.3 and variance of X is `sigma^2, " then " 100 sigma^2` is equal to :

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2021-Mathematics Section B
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  16. Suppose the line (x-2)/(alpha) = (y-2)/(-5) = (z+2)/(2) lies on the pl...

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  17. If int(sin x)/(sin^(3)x + cos^(3)x) dx = alpha log(e)|1 + tan x| + bet...

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  18. The number of elements in the set {A = ((a, b),(0, d)): a, b, d in {...

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  19. Let B the centre of the circle x^(2) + y^(2) - 2x + 4y + 1 = 0. Let th...

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  20. If the coefficient of a^(7)b^(8) in the expansion of (a + 2b + 4ab)^(1...

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