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Which equation is not quadratic?
C. \(x^3+x+1=0\)
The degree of \(x^3+x+1=0\) is (3). So it is not a quadratic equation.
The correct answer is C. \(x^3+x+1=0\). The degree of \(x^3+x+1=0\) is (3). So it is not a quadratic equation.
\(x^3+x+1=0\) की घात (3) है। इसलिए यह द्विघात समीकरण नहीं है।
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Correct Answer: C. \(x^3+x+1=0\). Explanation: \(x^3+x+1=0\) की घात (3) है। इसलिए यह द्विघात समीकरण नहीं है। / The degree of \(x^3+x+1=0\) is (3). So it is not a quadratic equation.
The degree of \(x^3+x+1=0\) is (3). So it is not a quadratic equation.
\(x^3+x+1=0\) की घात (3) है। इसलिए यह द्विघात समीकरण नहीं है।
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