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reduction formula for (sinx)^m (cosx)^n with limits 0 to pi/2 in the numerator start off with (m-1) , (n-1) subtract 2 successively till 2 o... -
derive the mean and variance of the binomial distribution now to find the variance, we rewrite x^2 as x(x-1) +x before we start out for expl... -
Before taking the driving test you have to get a learner's license.For that you had to to take an objective test on the computer in the ...