Math, asked by manjulajoshiy, 11 hours ago

Prove that, for any natural number ending in 7 its square ends with 9

Answers

Answered by beenamanu

0

Answer:

Square of 7 = 7 x 7 = 49

Square of 17 = 17 x 17 = 289

Square of 27 = 27 x 27 = 729

Etc.

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