कौन सा समीकरण \(x^2+5=0\) की तरह शुद्ध द्विघात है?
Which equation is a pure quadratic like \(x^2+5=0\)?
Explanation opens after your attempt
Correct Answer
A. \(x^2-9=0\)
Concept
A pure quadratic has no linear (x) term. \(x^2-9=0\) is of that type.
Why this answer is correct
The correct answer is A. \(x^2-9=0\). A pure quadratic has no linear (x) term. \(x^2-9=0\) is of that type.
Exam Tip
शुद्ध द्विघात में (x) वाला रैखिक पद नहीं होता। \(x^2-9=0\) ऐसा ही है।
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