Find the real root of `x^(4)` = 16

Find the square root of x^(4) + (1)/(x^(4)) +2

Find the real the real roots of x^(4)=16

Find the other root of x^(2) - 4x + 1 = 0 given that 2 + sqrt3 is a root:

Find the real roots of the equation . x^2+5|x|+6=0

Draw the graph of y=x^(4)+2x^(2)-8x+3 Find the number of real roots of the equation x^(4)+2x^(2)-8x+3=0 . Also find the sum of the integral parts of all real roots.

Find the number of real roots of the equation (x-1)^2+(x-2)^2+(x-3)^2=0.

Find the square root of (1+(2)/(x^(4))+(1)/(x^(8))) :

Find the square root of the following polynomials by division method 16x^(4)+8x^(2)+1