x2 – (p + q)x + pq = 0 এর সমাধান সেট কোনটি?

A {p,q}

B {p.-q}

C {-p.-q}

D {-p,q}

Solution

Correct Answer: Option A

x2 – (p + q)x + pq = 0
⇒ x2 − px - qx + pq = 0
⇒ x(x-p) -q(x-p) = 0
⇒ (x-p)(x-q) = 0
∴ x = p, q
∴ সমাধান সেট = {p,q}

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions