The second order homogeneous expression in x,y
ax2+bxy+cy2
ax2+bx
ax+by2
ax2+by
Square root of x2- 2 + 1/x2 =
x - 2
x + 1/x
x + 2
x - 1/x
If (a+b) is one of the factors of a cyclic expression, then the other factors are
b+c
(b+c)(c-a)
(b-c), (c-a)
(b+c), (c+a)
Solution set of x(x-1) =0 is
{1,-1}
{-1}
{0,1}
{0,-1}
4x2- 9= 0; solution set of the given equation is
{9/4}
{3/2}
{±3/2}
{0}
If x+1/x= a; then x2+1/x2 =
a2-2
a2+2
a2
a2+1
f(x) is an algebraic expression in the variable x; and if f(b)=0 then which of the following is a factor of f(x).
x+b
x-b
b
-b
2x4y2
4x8y2
2x8y2
16x8y2
Frame an equation in x having 2 and -3 as roots.
x2+x+6=0
x2-x-6=0
x2-6=0
x2+x-6=0
a2+b3
a2- b3
a4+b3
a2+b6
