Questions asked by Neh Pandya
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The focal length of a mirror is given by 1/f=1/u+1/v where u and v represent object and image distances respectively,The maximum relative error in f is ?
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If alpha, beta are the roots of x^2+px+q=0 and also of x^(2n) + p^nx^n + q^n = 0 and if alpha/beta, beta/alpha are the roots of x^n + 1 + (x+1)^n = 0 , then prove that n must be an even integer?