If `x=3+4i` find the value of ` x^4-12x^3-70x^2-204x+225`

If x=-5+2sqrt(-4) , find the value of x^4+9x^3+35 x^2-x+4.

If x=7+4sqrt3 then find the value of x+(1)/(x)

Find the value of p(x) = x^(2)- 3x - 4 at x = 0.

Find the product: x x x^2 x x^3 x x^4

Find the value of the polynomial 5x-4x^(2)+3 at. x=2

Find the value of the polynomial 5x-4x^(2)+3 at. x = 0

Find the value of the polynomial 5x-4x^(2)+3 at. x=-1

If tan x =(3)/(4) and pi lt xlt (3pi )/( 2) find the values of sin 2x and cos 2x

Find both the maximum value and the minimum value 3x^(4) - 8x^(3) + 12x^(2) - 48x + 25 on the interval [0,3].

Simplify these expressions and find their values if x=3,a=-1,b=-2: 2-8x+4x+4