Q9 of 51 Page 18

Mark the correct alternative in the following :

If in the expansion of , the coefficients of and terms are equal, then the value of r is


Given:




For (2r+3)th term; k=(2r+2)



For (r-1)th term; k=r-2



Coefficients of both terms are equal;





More from this chapter

All 51 →
7

Mark the correct alternative in the following :

The coefficient of x-17 in the expansion of is


 8

Mark the correct alternative in the following :

In the expansion of , the term without x is equal to


 10

Mark the correct alternative in the following :

The middle term in the expansion of is


 11

Mark the correct alternative in the following :

If in the expansion of occurs in rth term, then