" 9.The factors of "x^(4)+x^(2)+25," are "

Factors of x^(4)-x^(2)-12 are

Factors of x^(4)-x^(2)-12 are

One factor of x^(4) +x^(2) +1 is

The factors of x^(4)+x^(2)+25 are (a)(x^(2)+3x+5)(x^(2)-3x+5)(b)(x^(2)+3x+5)(x^(2)+3x-5)(c)(x^(2)+x+5)(x^(2)-x+5) (d) none of these

The factor of x ^(2) - 4 are

Factors of x ^(4) + 5x ^(2) + 9 are

Factors of 81x^4 - 25 are

Factorize: x^(4)+x^(2)+25=0

The factors of x^4-x^2-10x-25 are (a) (x^2+3x+5)(x^2-3x+5) (b) (x^2+3x+5)(x^2+3x-5) (c) (x^2+x+5)(x^2-x+5) (d) none of these