The coefficient of x5 in the expansion of 1-x21-1-x22-1-x30 A- 31 C5B- 31 C6-21 C6- 9 C5D- 31 C5-20 C5

The correct option is B (1+x)^21+(1+x)^22+…+(1+x)^30=(1+x)^31 1/1+x 1 (1+x)^21 1/1+x 1=(1+x)^31 (1+x)^21/x ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Binomial Theorem

The coefficie...

Question

The coefficient of $x^{5}$ in the expansion of ${(1 + x)}^{21} + {(1 + x)}^{22} + \dots + {(1 + x)}^{30}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

The coefficient of $x^{5}$ in the expansion of $(1 + x)^{21} + (1 + x)^{22} + . . . . . . . . (1 + x)^{30}$ is:

x^{5}

(1 + x)^{21} + (1 + x)^{22} + . . . + (1 + x)^{30}

{(1 + x)}^{21} + {(1 + x)}^{22} + . . . + {(1 + x)}^{30}

x^{5}

(1 + x)^{21} + (1 + x)^{22} + . . . . . + (1 + x)^{30}

x^{5}

(1 + x)^{21} + (1 + x)^{22} + . . . + (1 + x)^{30}

Join BYJU'S Learning Program