If f(x) = 2x4 - 13x2 + ax + b is divisible by x2 - 3x + 2, then (a, b) is equal to
(- 9, - 2)
(6, 4)
(9, 2)
(2, 9)
Let A and B be two symmetric matrices of same order. Then, the matrix AB - BA is
a symmetnc matrix
a skew-symmetric matrix
a null matrix
the identity matrix
If one of the roots of = 0 is - 10, then the other roots are
3, 7
4, 7
3, 9
3, 4
A.
3, 7