समीकरण \(3x^2+2x+7=0\) के विवेचक का चिन्ह क्या है?
What is the sign of the discriminant of \(3x^2+2x+7=0\)?
Explanation opens after your attempt
C. ऋणात्मकNegative
Concept
\(D=2^2-4\cdot3\cdot7=4-84=-80\), so the discriminant is negative. Calculate (4ac) completely.
Why this answer is correct
The correct answer is C. ऋणात्मक / Negative. \(D=2^2-4\cdot3\cdot7=4-84=-80\), so the discriminant is negative. Calculate (4ac) completely.
Exam Tip
\(D=2^2-4\cdot3\cdot7=4-84=-80\), इसलिए विवेचक ऋणात्मक है। (4ac) की गणना पूरी करें।
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