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  4. If x and a stand for distance, then for what value of n is the given equation dimensionally correct? The equation is ∫ (d x/√a2-xn)= sin -1 (x/a)

Q. If and stand for distance, then for what value of is the given equation dimensionally correct? The equation is

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Solution:

Here has the same dimensions as .
Thus, will make the expression dimensionally correct.

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