कौन सा समीकरण (x) में द्विघात है लेकिन (y) में नहीं?
Which equation is quadratic in (x) but not in (y)?
Explanation opens after your attempt
A. \(x^2+5x+6=0\)
Concept
In option (A), the variable (x) has degree (2). So it is quadratic in (x).
Why this answer is correct
The correct answer is A. \(x^2+5x+6=0\). In option (A), the variable (x) has degree (2). So it is quadratic in (x).
Exam Tip
विकल्प (A) में चर (x) की घात (2) है। इसलिए यह (x) में द्विघात है।
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