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If a_1 , a_2 , a_3, …."" a_n are in A.P. where a_i gt 0 for all i , then the value of(1)/(sqrt(a_1) + sqrt(a_2)) + (1)/(sqrt(a_2) + sqrt(a_3)) + … + (1)/(sqrt(a_(n-1)) + sqrt(a_n)) : |
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Answer» `(N-1)/(sqrta_1+sqrta_2)` |
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