If 8/7^2 × 7^x - 2×7 ^x-2 = 42, then the value of x is a) 3 b) 1 c) – InterviewSolution

1.

If 8/7^2 × 7^x - 2×7 ^x-2 = 42, then the value of x is a) 3 b) 1 c) 2 d) 4

Answer»

B) 1

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