This question was asked in Ex 7.1, 3

Why there is a need of using only congruence property why not other property

joshi dayasagar

Nov. 14, 2017, 6:37 a.m.

Answers!

Davneet Singh

Nov. 28, 2017, 10:08 p.m.

Hello Joshi

Because it is easier to do with congruency.

Do you know another property with which we can solve the question? Please let me know. I will add it in the answer.

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