1.

If r^(th) term is middleterm in (x^2 - (1)/(2x))^20 then (r+ 3)^(th) term is

Answer»

`(""^20C_7 X)/(2^13)`
`-( (""^20C_5x)/(4^13))`
`- ((""^20C_7x)/(2^13))`
`- ((""^20C_14x)/(4^13))`

ANSWER :C


Discussion

No Comment Found

Related InterviewSolutions