If `3+2x=1-x`,then `x=?`

If x+1/x=3, calculate x^2+1/(x^2),\ x^3+1/(x^3) and x^4+1/(x^4)

Find area of region bounded by y = x^2 – 3x + 2, x = 1, x = 2 and y = 0 .

If f(x)=2x+3, g(x)=1-2x and h(x) =3x then find fo(goh)

If {:A=[(4,x+2),(2x-3,x+1)]:} is symmetric, then x =

The number of solution of the following equations x_2 - x_3 = 1, -x_1 + 2x_3 = -2, x_1 - 2x_2 = 3 is

Five numbers are given by expressions x, 2x-3, 2x+1, 3x-4 and 3x+1 . If the average (arithmetic mean) of these number is 10, what is the mode of the numbers?

If the function f(x) ={:{((3x^3-2x^2-1)/(x-1)", "x ne 1),(" "K", " x= 1):}, is continuous at x=1,find the value of k.

If x,y,zepsilonR then the value of |((2x^(x)+2^(-x))^(2),(2^(x)-2^(-x))^(2),1),((3x^(x)+3^(-x))^(2),(3^(x)-3^(-x))^(2),1),((4^(x)+4^(-x))^(2),(4^(x)-4^(-x))^(2),1)| is

If f(x)=||x-1|+|x-3|-|2x-1||+||x-1|+|x-3|+|2x-1|| , then