Math, asked by tusharsharma5602, 11 months ago

Price that n²-n is divisible by 2for every positive integer n

sivaprasath: Did you meant Prove ?

sivaprasath: Did you meant ' to prove that statement' ??

tusharsharma5602: Can you solve one more ques

sivaprasath: ?? ok ,.

tusharsharma5602: If HCF of 210 and 55 is of the form 210(5) +55y then find y

sivaprasath: y = 19,.\

Answers

Answered by Gautam22121998

2

n²-n

=n(n-1)

So n and (n-1) are two consecutive integers

Therefore for any value of 'n'

Either n or (n-1) will be an even number

So n²-n is divisible by 2 for any value of 'n'

tusharsharma5602: Can I solve one more ques

Gautam22121998: yes brother

Gautam22121998: ask

Gautam22121998: i will try

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