If _ x 1 ( (3x^ 2 - 4x + 1) - x^ 2 + 1)/(2x^ 3 - 7x^ 2 + ax + b) = −2, then the value of (a − b) is equal to _____ .

JEE Main 2022 Mathematics question

If + ax + b) = −2, then the value of (a − b) is equal to .

Answer: 11

As , , so the numerator . For a finite limit −2, the

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

Question ID VK-034889