If are the zeroes of , then the value of is:

Answer and explanation

Correct answer: D.

  1. Step 1: and .
  2. Step 2: .
Answer
.
Why not the others: drops the negative sign of the sum; inverts the fraction; and is the product of roots.

Practise more Number Systems and Algebra.

Free questions with an explanation for every one, and full timed CBSE Class 10 mock tests.