\(x^2-x-30=0\) के लिए सही कथन कौनसा है?
Which statement is correct for \(x^2-x-30=0\)?
Explanation opens after your attempt
A. मूल (6) और (-5) हैंThe roots are (6) and (-5)
Concept
(x-2-x-30=(x-6)(x+5)), so the roots are (6) and (-5). In exams, the larger value decides the sign of the middle term.
Why this answer is correct
The correct answer is A. मूल (6) और (-5) हैं / The roots are (6) and (-5). (x-2-x-30=(x-6)(x+5)), so the roots are (6) and (-5). In exams, the larger value decides the sign of the middle term.
Exam Tip
(x-2-x-30=(x-6)(x+5)), इसलिए मूल (6) और (-5) हैं। परीक्षा में बड़ा मान मध्य पद का चिन्ह तय करता है।
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