Question

It Px²+ (P+1)x +P = 0. has equal root find p​

Answer 1

P is 1 or -1/3.

Explanation:

For the equation ab^2 + bx + c = 0 to have equal roots b^ - 4ac = 0.

So here we have:

(P + 1)^2 - 4P^2 = 0

P^2 + 2P + 1 - 4P^2 = 0

3P^2 - 2P - 1 = 0

(3P + 1)(P - 1) = 0

P = 1 . -1/3.