If the fourth term in the expansion of \( \left(x+x^{\log _{2} x}\r...

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If the fourth term in the expansion of \( \left(x+x^{\log _{2} x}\right)^{7} \) is
P 4480 , then the value of \( x \) where \( x \in N \) is equal to:

WV
[JEEMain-2021 (March)]
(a) 2
(b) 4
(c) 3
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