If and are the roots of the equation, ax 2 + bx − 4 = 0, …

Maths Functions, Limits, Continuity and Differentiability JEE Main 2021 - ( Limits ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

If and are

the roots of the equation, ax 2 + bx − 4 = 0, then the ordered pair (a, b) is :

(1, − 3)

( − 1, 3)

( − 1, − 3)

(1, 3)

Text Solution

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The correct answer is:

form

Using L Hopital rule

If ax 2 + bx − 4 = 0 are the roots then

16a − 4b − 4 = 0&a + b − 4 = 0

⇒ a = 1&b = 3

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