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Prove that the product of two consecutive posetive integers is divisible by two

Posted by Sanabil Arshad 7 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Ileesha Mittal 7 years, 8 months ago

Let two consecutive + ve integer r n and n+1 n*n+1=n2+ n Let n=2q so (2q)2 + 2q Then we take common from it 2 then we have 2(2q2+q) Divide by 2 then we have 2q2+q Remainder is 0 so it is completely divisible Hence prooved...

1Thank You

Ileesha Mittal 7 years, 8 months ago

Take a example 2*1=2and then divive by 2 so 2/2=1 So it is completely devisible

1Thank You

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CBSE > Class 10 > Mathematics