JEE Main Mathematics question

MathematicsQuadratic Equations and InequalitiesJEE Main

Find the number of all possible positive integral values of for which the roots of are rational numbers.

Answer: 2

Solution

The roots are rational iff is a perfect square, and needs . Testing :

See the full step-by-step solution

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

Create a free account

Question ID VK-014196