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Maths

This question was asked in Ex 4.1, 1

1 2 3...... n=n(n 1)÷2

Pankaj Kunjam

Dec. 12, 2017, 9:51 a.m.

Answers!

Davneet Singh

Dec. 14, 2017, 10:06 p.m.

Check https://www.teachoo.com/2275/591/Prove-1---2---3-...---n-=-n(n-1)-2---Mathematical-Induction/category/Theory/

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Pankaj Kunjam

Dec. 12, 2017, 9:52 a.m.

1(1 1)/2=2

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