If the coefficient of x in x2-k-x5 is 270- then k-A- 3 B- 1C- 0D- 2

The correct option is A 3 Coefficient of x =^5C_3 k^3 = 270 ⇒ k^3 =27 k =3 ...

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Binomial Theorem for Any Index

If the coeffi...

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If the coefficient of x in ${(x^{2} + \frac{k}{x})}^{5}$ is 270, then k =

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If the coefficient of x in the expansion of $(x^{2} + \frac{k}{x})^{5}$ is 270, then k =

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