Question

if both(x-2) (x-1÷2) are factors of px²+5x+r show p =r

Answer 1

p/4 + 5/2 + r = 0

p + 10 + 4r = 0 ------------------- (ii)

On solving (i),(ii) we get

4p+r=-10 and p+4r+10=0

4p+r=p+4r

3p=3r

p = r.

Hope this helps!