Mathematics Answer, Explanation and Revision Hints
यदि किसी द्विघात का विविक्तकर \(D=36-9h^2\) है, तो समान मूलों के लिए (h) के मान क्या होंगे? / If a quadratic has discriminant \(D=36-9h^2\), what are the values of (h) for equal roots?
Correct Answer: A. (h=2) या (h=-2) / (h=2) or (h=-2). Explanation: समान मूलों के लिए \(36-9h^2=0\) चाहिए। इससे \(h^2=4\), अतः \(h=\pm2\)। / For equal roots \(36-9h^2=0\) is needed. This gives \(h^2=4\), hence \(h=\pm2\).
Which concept should I revise for this Mathematics MCQ?
For equal roots \(36-9h^2=0\) is needed. This gives \(h^2=4\), hence \(h=\pm2\).
What exam hint can help solve this Mathematics question?
समान मूलों के लिए \(36-9h^2=0\) चाहिए। इससे \(h^2=4\), अतः \(h=\pm2\)।
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