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Find the co-efficient of X16 in (2X2-X)10 i want this questions answers now

Find the co-efficient of X16 in (2X2-X)10 
i want this questions answers now

Grade:12th pass

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
(2x^2-x)^10 = 10C0(2x^2)^10 - 10C1     (2x^2)^9x + ….. + 10C4(2x^2)^6x^4+……
 Therefore coefficient of x^16 = 10C4(2)^6
                                               = 13440.
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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