\(x^4-25x^2+144=0\) में \(y=x^2\) रखने पर कौनसा समीकरण मिलेगा?

If \(y=x^2\) is put in \(x^4-25x^2+144=0\), which equation is obtained?

Explanation opens after your attempt
Correct Answer

A. \(y^2-25y+144=0\)

Step 1

Concept

Since (x-4=\(x^2\)2=y-2), the new equation is \(y^2-25y+144=0\). In exams, use substitution to form a quadratic.

Step 2

Why this answer is correct

The correct answer is A. \(y^2-25y+144=0\). Since (x-4=\(x^2\)2=y-2), the new equation is \(y^2-25y+144=0\). In exams, use substitution to form a quadratic.

Step 3

Exam Tip

क्योंकि (x-4=\(x^2\)2=y-2), इसलिए नया समीकरण \(y^2-25y+144=0\) है। परीक्षा में प्रतिस्थापन से द्विघात रूप बनाएं।

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Mathematics Answer, Explanation and Revision Hints

\(x^4-25x^2+144=0\) में \(y=x^2\) रखने पर कौनसा समीकरण मिलेगा? / If \(y=x^2\) is put in \(x^4-25x^2+144=0\), which equation is obtained?

Correct Answer: A. \(y^2-25y+144=0\). Explanation: क्योंकि (x-4=\(x^2\)2=y-2), इसलिए नया समीकरण \(y^2-25y+144=0\) है। परीक्षा में प्रतिस्थापन से द्विघात रूप बनाएं। / Since (x-4=\(x^2\)2=y-2), the new equation is \(y^2-25y+144=0\). In exams, use substitution to form a quadratic.

Which concept should I revise for this Mathematics MCQ?

Since (x-4=\(x^2\)2=y-2), the new equation is \(y^2-25y+144=0\). In exams, use substitution to form a quadratic.

What exam hint can help solve this Mathematics question?

क्योंकि (x-4=\(x^2\)2=y-2), इसलिए नया समीकरण \(y^2-25y+144=0\) है। परीक्षा में प्रतिस्थापन से द्विघात रूप बनाएं।