(x-y) (x2 + x y + y2) is equal to
x3 + y3
x2 + y2
x2 - y2
x3 - y3
The expansion of (x + 2) (x - 1 ) is
x2 - x -2
x2 + x + 2
x2 + x -2
x2 - x + 2
The root of the polynomial equation 3 x - 1 = 0
x = -1/3
x = 1/3
x = 1
x = 3
The roots of the polynomial equation x2 + 2 x = 0 are
x = 0, 2
x = 1,2
x = 1, -2
x = 0, -2
If one of the factors of x2 - 6 x - 16 is (x+2) then other factor is
x + 5
x - 5
x + 8
x - 8
Find the coefficient of x3 in the algebraic expression -x3+ 4x2+ 6x - 8.
-1
4
-8
1
If (a x-b) is a factor of P(x), then
P(b) = 0
P (-b/a) = 0
P(a) = 0
P (b/a) = 0
Factorization of x2 + 2 x - 8 is
(x+4) (x-2)
(x-4) (x+2)
(x + 4) (x + 2)
(x - 4) (x-2)
If the polynomial x3 - a x2 + 2 x - a is divided by (x-a), then remainder is
a3
a2
a
-a
The coefficients of x2 and x in 2 x3 - 3 x3 - 3 x2 - 2 x + 3 are respectively.
2,3
-3,-2
-2, -3
2, -3
