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Recent questions tagged q15-i

If E and F are events .Such that $P(E)=\large\frac{1}{4}$$,P(F)=\large\frac{1}{2}$ and P(E and F)=$\large\frac{1}{8}$.Find P( E or F)

asked Jul 1, 2014 by sreemathi.v

1 answer

In the expansion of $(x+a)^n$ if the sum of odd terms is denoted by O and the sum of even term by E.Then prove that (i) $O^2-E^2=(x^2-a^2)^n$

asked Jun 24, 2014 by sreemathi.v

1 answer

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