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Question

Find the value of n in the following 72n+1÷49=73

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Solution

The giving term is
72n+1÷49=73

72n+1÷72=73 72=49
72n+1=73×72
72n+1=75 [using formula an+am=a(m+n)]
2n+1=5 [base are same so it cancel both side]
2n=51
2n=4
n=42

n=2
Hence n=2

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