If `x=1/2(5-3i)`, then find the value of `x^4-x^3-12x^2+23x+12`

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

If 3x+2y=12 and x y=6, find the value of 9x^2+4y^2

If 3x+2y=12 and x y=6 , find the value of 9x^2+4y^2

Find both the maximum and the minimum value of 3x^4-8x^3+ 12 x^2-48 x+1 on the interval [1,4] .

Find both the maximum and the minimum value of 3x^4-8x^3+ 12 x^2-48 x+1 on the interval [1,4] .

If x=4+3i (where I =sqrt(-1)), then the value of x ^(3)-4x ^(2)-7x+12 equals:

If x=4+3i (where i =sqrt(-1)), then the value of x ^(3)-4x ^(2)-7x+12 equals:

Evaluate: int(x^(2)/(x^(4)+3x^(2)+9))dx =Atan^(-1)((x^2-3)/(3x))+B/sqrt(3)"ln"|(x^(2)-sqrt(3)x+3)/(x^(2)+sqrt(3)x+3)|+c , Then find the value of 12(A+B) .

If (a-b), a and (a+b) are zeroes of 2x^(3)-12x^(2)+5x-1 , then find the value of a.

Find the value of 64 x^3-\ 125 z^3, if 4x-5z=16 and x z=12