If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:
Solution
Correct Answer: Option D
mn = 121
= (11)2
∴ m = 11; n = 2
∴ (m−1)n+1
= (11−1)2+1
= 103
= 1000
= (11)2
∴ m = 11; n = 2
∴ (m−1)n+1
= (11−1)2+1
= 103
= 1000
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