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If m and n are whole numbers such that mn=121, the value of (m-1)n+1 is

If m and n are whole numbers such that mn=121, the value of (m-1)n+1 is Correct Answer 1000

We know that (11)^2 = 121. Putting m = 11 and n = 2, we get: (m - 1)^(n + 1 ) = (11 - 1)^(2 + 1) = (10)^3 = 1000

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