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Question

If a=1322,b=13+22, then the value of a2+b2 is __.

A
34
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B
35
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C
36
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D
37
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Solution

The correct option is A 34
a=1322
a=3+22(322)(3+22)
a=3+22
b=13+22
b=322(322)(3+22)
b=322
a2+b2=(a+b)22ab
a2+b2=(3+22+322)22(3+22)(322)
a2+b2=(6)22
a2+b2=34

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