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what is the coefficient of x^4Y^6 In the expansion of (2x-y^2)^7

what is the coefficient of x^4Y^6 In the expansion of (2x-y^2)^7

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Homework Answers

Answer #1

To solve this problem apply binomial theorem.

Since,

The coefficient of x^4 *y^6 is,

The coefficient of x^4 *y^6 in (2x-y^2)^7 is -560.

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