13. Ifx and a stand for distance, then for what value of n is the given equation dimensionally correct? The equation is = dx s ſa²-x² sin-
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If x and a stand for distance , then for what value of n is the given equation dimensionally correct? The equation is <br> int (dx)/( sqrt ( a^(2) - x^(n))) = sin^(-1) (x)/(a) Here xn has the same dimensions as a2 . Thus , n=2 will make the expression dimensionally correct.
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