Question

2. Find the value of 'p', if the following quadratic
equations have equal roots :

ii x2 + (p - 3)x + p = 0
[2013]​

Answer 1

Answer:

9,1 is the value of p.

Step-by-step explanation:

b^2-4ac = 0

or, (p-3)^2-4×1×p=0

or,p^2-6p+9-4p=0

or,p^2-10p+9=0

or,p^2-9p-p+9=0

or,p(p-9)-1(p-9)=0

or,p=9,1