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If x= 4^(log2 (sqrt(9^(k-1) +7))and y= 1...

If `x= 4^(log_2 (sqrt(9^(k-1) +7))`and `y= 1/(32^(log_2 (3^(k-1)+1)^(1/5))` and `xy = 4` then find sum of the squares of the real values of k

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