Question

Given the quadratic equation x2-(a-3)x-(a-7)=0 , for what value of a will the sum of squares of the roots be zero

Answer 1

Answer:

Step-by-step explanation:

sum of square of roots = p²+q²

= (p+q)²-2pq

= (a-3)² + 2(a-7)

= a²+9-6a+2a-14

= a²-4a-5