Q16 of 51 Page 18

Mark the correct alternative in the following :

If the coefficient of x in is 270, then =


Given:





⇒ x2(5-k)-k = x1


⇒10-2k-k=1


⇒9-3k=0


⇒ k=3


for k=3;




⇒λ3=27


⇒λ=3

More from this chapter

All 51 →
14

Mark the correct alternative in the following :

In the expansion of , the term independent of x is


 15

Mark the correct alternative in the following :

If the sum of odd numbered terms and the sum of even numbered terms in the expansion of are A and B respectively, then the value of is.


 17

Mark the correct alternative in the following :

The coefficient of in is.


 18

Mark the correct alternative in the following :

The total number of terms in the expansion of after simplification is