\(8x^2-14x-15=0\) के मूल क्या हैं?
What are the roots of \(8x^2-14x-15=0\)?
Explanation opens after your attempt
Correct Answer
A. \(x=\frac{5}{2},-\frac{3}{4}\)
Concept
((4x+3)(2x-5)=0), so \(x=-\frac{3}{4}\) and \(\frac{5}{2}\). In exams, change signs while writing roots.
Why this answer is correct
The correct answer is A. \(x=\frac{5}{2},-\frac{3}{4}\). ((4x+3)(2x-5)=0), so \(x=-\frac{3}{4}\) and \(\frac{5}{2}\). In exams, change signs while writing roots.
Exam Tip
((4x+3)(2x-5)=0), इसलिए \(x=-\frac{3}{4}\) और \(\frac{5}{2}\) हैं। परीक्षा में संकेत बदलकर मूल लिखें।
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