Question

If 2,1 / 2 are the zeros of px^2+5x+r prove that p = r

Answer 1

In this equation ,
a=p
b=5
C=r
So,
Product of zeroes = constant term / coeff. of
x^2
Therefore,
2*1/2=p/r
1=p/r
Cross multiply
p=r

Hence,proved

Hope this helped