1.

If the coefficients of rth and (r+1)th terms in the expansion of (1+x)^(24) are in the ratio 12 : 13, then r is the root of the quadratic equation

Answer»

`x^(2) - 5x + 6 = 0`
`x^(2) - 11x + 30 = 0`
`x^(2) - 14x + 13 = 0`
`x^(2) - 14x + 24 = 0`

Answer :D


Discussion

No Comment Found

Related InterviewSolutions