NTSE Stage 2 SAT 2014 Question Paper

Question : 59 of 100

Marks: +1, -0

If a, b, c be the

4^{\th}

7^{\th}

and

10^{\th}

term of an AP respectively, then the sum of the roots of the equation

\ax^2-2\bx+\c=0

Solution:

2\b=\c+\a

sum of roots

={2\b}/\a={\c+\a}/\a

Go to Question:

Prev Question

Next Question