Find all the zeros Of The polynomial p(x)=2xrais4 -7xcube-19x sq +14x+30 if two zeroes are √2&-√2

Find all the zeros Of The polynomial p(x)=2xrais4 -7xcube-19x sq +14x+

1.	Find all the zeros Of The polynomial p(x)=2xrais4 -7xcube-19x sq +14x+30 if two zeroes are √2&-√2
Answer» x-√2and X+√2 are factorsSo x^2-2 is factorOn dividing 2x^4-7x^3-19x^2+14x+30 byx^2-2 we get2x^2-7x-15=0(x-5)(2x+3)=0other two zeros are 5,-3/2