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14^{5k+2} is  divisible by?

Option: 1

49


Option: 2

35


Option: 3

42


Option: 4

none of these


Answers (1)

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Principle of Mathematical Induction -

Mathematical induction is one of the techniques which can be used to prove a variety of mathematical statements which are formulated in terms of n, where n is a positive integer

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14^{5k+2}=7^{5k+2}*2^{5k+2}=7^{5k}*2^{5k}*49*4

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shivangi.bhatnagar

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