5(106)
2(106)
5(105)
2(105)
Correct answer is D
2n = 128 2n = 27 n = 7 (2n - 1)(5n - 2) = (2n - 2.2)(5n - 2) put n = 7 (2n - 1)(5n - 2) = 2(2n - 2 x 5n - 2) = 2(2 x 5)n - 2 = 2(10n - 2) put n = 7 (2n-1)(5n-2) = 2(105)
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