Question

If (x-3) and (x-1) are the factor of px^2 +5x​+r. show that p=r

Answer 1

1. step p=x^2+5x -------- (eq 1)
2. then
3. given that x-3=0
4. x=3--------------- (eq 2)
5. put in eq 1
6. so we get ;
7. 3^2+5×3
8. 24
9. similar in
10. x-1=0
11. x=1
12. 1^2+5×1
13. 6
14. so answer is 24,6