Question

Sachin and Rahul attempted to solve a quadratic equaiton. Sachin made a mistake in writing down the constant term and ended up in roots (4, 3). Rahul made a mistake in writing down coefficient of x to get roots (3, 2). The correct roots of equation are :

• A. 44713
• B. 44654
• C. -6 , -1
• D. -4 , -3

Answer 1

Answer: (A)

44713

Answer 2

Let the correct equation be $ax^2 + bx + c = 0$ $-\frac{b}{a} = 7\quad\quad........ \left(i\right)$ $\frac{c}{a} = 6\quad\quad........ \left(ii\right)$ from $\left(i\right)$ and $\left(ii\right)$ correct equation is $x^{2} - 7x + 6 = 0$ roots are 6 and 1