किस समीकरण में (b=0) और (c>0) है?
Which equation has (b=0) and (c>0)?
Explanation opens after your attempt
B. \(5x^2+20=0\)
Concept
In \(5x^2+20=0\), the (x) term is absent, so (b=0) and (c=20>0). Treat a missing term coefficient as (0).
Why this answer is correct
The correct answer is B. \(5x^2+20=0\). In \(5x^2+20=0\), the (x) term is absent, so (b=0) and (c=20>0). Treat a missing term coefficient as (0).
Exam Tip
\(5x^2+20=0\) में (x) पद अनुपस्थित है, इसलिए (b=0) और (c=20>0) है। अनुपस्थित पद का गुणांक (0) मानें।
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