If , be the roots of x^2-a(x-1)+b=0, then the value of 1 ^2-a + 1 ^2-a + 2 a+b is

JEE Main Mathematics question

If be the roots of , then the value of is

Answer: (C)

The equation is , so and . The sum is . The value is

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-013471