Check whether `-2` and 2 are the zeroes of the polynomial `x^(4)-16`.

Check whether -3 and 3 are the zeroes of the polynomial x^(2)-9 .

Check whether -2 and 2 are zeroes of the polynomial x+2.

Check whether 3 and -2 are the zeroes of the polynomial p(x) when p(x)=x^(2)-x-6 .

Verify whether 2 and 0 are zeroes of the polynomial x^(2) - 2x .

Find zero of the polynomial 2x -1.

Find the zeroes of the given polynomials. p(x)=x^(4)-16

Verify whether 2 and 1 are zeros of the polynomial x ^(2) - 3x + 2 or not ?

Verify that 1,-1 and +3 are the zeroes of the cubic polynomial x^(3)-3x^(2)-x+3 and check the relationship between zeroes and the coefficients.

Verify whether 3, -1 and -(1)/(3) are the zeroes of the cubic polynomial p(x)=3x^(3)-5x^(2)-11x-3 , and then verify the relationship between the zeroes and the coefficients.

Verify that 1, 2 and (3)/(2) are the zeroes of the cubic polynomial p(x)= 2x^(3)-9x^(2)+13x-6 . Then, verify the relationship between the zeroes and the coefficient of the polynomial.