Question

Q15 The zeros of quadratic polynomial 4 x²+5√2 x-3 will be

Answer 1

Answer:

let p(x)=0

4x²+5√2x-3=0

4x²+6√2x-√2x-3=0

2√2x(√2x+3)-1(√2x+3)=0

(2√2x-1)(√2x+3)=0

therefore

2√2x-1=0

x=1/2√2

=√2/4

and

√2x+3=0

x=. -3/√2

=. -3√2/2

therefore zero of p(x)= √2/4 and -3√2/2