यदि \(q=\sqrt{5}+2\) है, तो \(q^2-4q\) का मान क्या है?

If \(q=\sqrt{5}+2\), what is the value of \(q^2-4q\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (1)

Step 1

Concept

\(q^2=9+4\sqrt{5}\) and \(4q=4\sqrt{5}+8\). Subtracting gives (1).

Step 2

Why this answer is correct

The correct answer is A. (1). \(q^2=9+4\sqrt{5}\) and \(4q=4\sqrt{5}+8\). Subtracting gives (1).

Step 3

Exam Tip

\(q^2=9+4\sqrt{5}\) और \(4q=4\sqrt{5}+8\) है। घटाने पर (1) मिलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(q=\sqrt{5}+2\) है, तो \(q^2-4q\) का मान क्या है? / If \(q=\sqrt{5}+2\), what is the value of \(q^2-4q\)?

Correct Answer: A. (1). Explanation: \(q^2=9+4\sqrt{5}\) और \(4q=4\sqrt{5}+8\) है। घटाने पर (1) मिलता है। / \(q^2=9+4\sqrt{5}\) and \(4q=4\sqrt{5}+8\). Subtracting gives (1).

Which concept should I revise for this Mathematics MCQ?

\(q^2=9+4\sqrt{5}\) and \(4q=4\sqrt{5}+8\). Subtracting gives (1).

What exam hint can help solve this Mathematics question?

\(q^2=9+4\sqrt{5}\) और \(4q=4\sqrt{5}+8\) है। घटाने पर (1) मिलता है।