किस समीकरण में मूल बराबर और ऋणात्मक होंगे?
Which equation will have equal and negative roots?
Explanation opens after your attempt
Correct Answer
A. \(x^2+16x+64=0\)
Concept
(x-2+16x+64=(x+8)2), so both roots are (-8). Both roots are equal and negative.
Why this answer is correct
The correct answer is A. \(x^2+16x+64=0\). (x-2+16x+64=(x+8)2), so both roots are (-8). Both roots are equal and negative.
Exam Tip
(x-2+16x+64=(x+8)2), इसलिए दोनों मूल (-8) हैं। दोनों मूल बराबर और ऋणात्मक हैं।
Login to save your score, XP, coins and progress.