वर्ग समीकरण \( a x^{2}+b x+c=0 \) का विविक्ष्सिकरे का सूत्र \( D=\ldots \ldots . \). है।

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वर्ग समीकरण \( a x^{2}+b x+c=0 \) का विविक्ष्सिकरे का सूत्र \( D=\ldots \ldots . \). है।
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