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Question : 46 of 86

Marks: +1, -0

If

a=3^{1 \/ 4}+3^{-1{/} 4}

and

b=3^{1{/}4}-3^{-1{/}4}

then the value of

(a^{2}+b^{2})^{2}

is :

67
65
$64 / 3$
None

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