Question

Find the value of p so that px×x-3+9=0 it has equal roots

Answer 1

Answer:

Given,

px(x-3)+9=0

equal roots is nothing but equal to zero

formula is,

b²-4ac=0

-(3p)²-4(1)(9)=0

9p-36=0

9p=36

p=36/9

p=4