समीकरण \(x^2-5x-24=0\) का धनात्मक मूल कौन सा है?
What is the positive root of \(x^2-5x-24=0\)?
Explanation opens after your attempt
A. (8)
Concept
(x-2-5x-24=(x-8)(x+3)). Therefore the roots are (8) and (-3), and the positive root is (8).
Why this answer is correct
The correct answer is A. (8). (x-2-5x-24=(x-8)(x+3)). Therefore the roots are (8) and (-3), and the positive root is (8).
Exam Tip
(x-2-5x-24=(x-8)(x+3)) है। इसलिए मूल (8) और (-3) हैं तथा धनात्मक मूल (8) है।
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