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Question

State true or false:
If x=26, y=2+6, then the value of x2+y2+xy is 323.

A
True
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B
False
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Solution

The correct option is B False
x2=(26)2=4+646=1046y2=(2+6)2=4+6+46=10+46xy=(26)(2+6)=46=2

Putting these values in x2+y2+xy we get
1046+10+462=18

So the given statement is false.

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