किस विकल्प में स्थिर पद अनुपस्थित है लेकिन समीकरण द्विघात है?
In which option is the constant term absent but the equation is quadratic?
Explanation opens after your attempt
A. \(2x^2+7x=0\)
Concept
In \(2x^2+7x=0\), the \(x^2\) term is present and the constant term is absent. An equation can be quadratic even without a constant term.
Why this answer is correct
The correct answer is A. \(2x^2+7x=0\). In \(2x^2+7x=0\), the \(x^2\) term is present and the constant term is absent. An equation can be quadratic even without a constant term.
Exam Tip
\(2x^2+7x=0\) में \(x^2\) पद है और स्थिर पद अनुपस्थित है। स्थिर पद न होने पर भी समीकरण द्विघात हो सकता है।
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