For ,a=2x2, and n=20We have a formula,To get coefficient of x9 we must have,(x)40-3r = (x)9• 40 - 3r = 9• 3r = 31• r = 10.3333As is not possibleTherefore, the term containing x9 does not exist in the expansion of

Q. 324.4( 5 Votes )

Show that the exp

Class 11th RS Aggarwal - Mathematics 10. Binomial Theorem

Answer :

For ,

a=2x², and n=20

We have a formula,

To get coefficient of x⁹ we must have,

(x)^40-3r = (x)⁹

• 40 - 3r = 9

• 3r = 31

• r = 10.3333

As is not possible

Therefore, the term containing x⁹ does not exist in the expansion of

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

PREVIOUSShow that the ter NEXTShow that the exp

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

view all courses