If n is even, then the middle term in the expansion of \(\left(x^2 +\ – McqOptions

MCQOPTIONS

1.	If n is even, then the middle term in the expansion of \(\left(x^2 +\dfrac{1}{x}\right)^n\) is 924 x6. Find the value of n -
A.	10
B.	12
C.	14
D.	None of these
Answer» C. 14

Discussion

No Comment Found

Related MCQs

If the rth term in the expansion of \(\left( \dfrac{x}{3} - \dfrac{2}{x^2} \right)^{10}\)contains x4, then r is equal to
Find the middle terms in the expansion of \(\rm \left(x - \frac 1 x \right)^{18}\)
In the expansion of \({\left( {3x - \frac{2}{{{x^2}}}} \right)^{15}}\) which term is free from x ?
If the coefficient of xr and xr+1 are equal in the expansion, then r is equal to
In the expansion of \({\left( {\sqrt {\rm{x}} + \frac{1}{{3{{\rm{x}}^2}}}} \right)^{10}}\) the value of constant term (independent of x) is
If in the expansion of (x + a)n, the sum of odd terms is P and the sum of even terms is Q, then the value of (x + a)2n - (x - a)2n is:
For every integer n > 2 the sum of the expansions \(1 - {}^n{C_1} + {}^n{C_2} + - - - {( - 1)^n}{}.^n{C_n}\) is______
If C0, C1, C2, _ _ _ _ _, Cn are the coefficients in the expansion of (1 + x)n, then what is the value of C1 + C2 + C3 + _ _ _ _ _ + Cn?
If (1 + x - 2x2)6 = 1 + a1x + a2x2 + ... + a12x12, then a2 + a4 + ... a12 is?
In the expansion of (1 + x)n, what is the sum of even binomial coefficients?