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Question

State the following statement is True or False
If the sum of the squares of two consecutive even natural numbers is 100, then the numbers are 8 and 6.

A
True
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B
False
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Solution

The correct option is A True
Let the numbers be 2n and 2n+2
Thus,
(2n)2+(2n+2)2=100
4n2+4n2+4+8n=100
8n2+8n96=0
n2+n12=0
n2+4n3n12=0
(n+4)(n3)=0
n=4,3
Neglecting the negative number, n=3
Thus numbers are 6 and 8

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