m = 4, n = 2
m = -4, n = -2
m = -4, n =2
m = 4, n = -2
m = -2, n = 4
Correct answer is D
(23)m (34)n = 256729
2m4n x 3n3m = 2836
2m÷22n=28;3n÷3m=3−6
m - 2n = 8........(i)
-m + n = -6........(ii)
Solving the equations simultaneously
m = 4, n = -2
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