90720
1296
1120
672
Correct answer is A
\((x)^{n}(x^{-1})^{8 - n} = x^{0}\)
\(x^{n} . x^{-8 + n} = x^{0} \implies n - 8 + n = 0\)
\(2n - 8 = 0 \implies n = 4\)
Constant term = \(^{8}C_{4}(2^{4})(3^{4}) = 70 \times 16 \times 81\)
= \(90720\)
If \(\begin{pmatrix} p+q & 1\\ 0 & p-q \end {pmatrix}\) = \(\begin{pmatrix} 2 & 1 ...
Find the radius of the circle \(2x^2 + 2y^2 - 4x + 5y + 1 = 0\)...
Express (14N, 240°) as a column vector. ...
Which of the following is a factor of the polynomial \(6x^{4} + 2x^{3} + 15x + 5\)?...
If \(x^2+y^2+-2x-6y+5 =0\), evaluate dy/dx when x=3 and y=2....