यदि \(q=\sqrt{15}+4\) है तो \(q^2-8q\) का मान क्या है?

If \(q=\sqrt{15}+4\), what is the value of \(q^2-8q\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (-1)

Step 1

Concept

\(q^2=31+8\sqrt{15}\) and \(8q=32+8\sqrt{15}\). Subtracting gives (-1).

Step 2

Why this answer is correct

The correct answer is A. (-1). \(q^2=31+8\sqrt{15}\) and \(8q=32+8\sqrt{15}\). Subtracting gives (-1).

Step 3

Exam Tip

\(q^2=31+8\sqrt{15}\) और \(8q=32+8\sqrt{15}\) है। घटाने पर (-1) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(q=\sqrt{15}+4\) है तो \(q^2-8q\) का मान क्या है? / If \(q=\sqrt{15}+4\), what is the value of \(q^2-8q\)?

Correct Answer: A. (-1). Explanation: \(q^2=31+8\sqrt{15}\) और \(8q=32+8\sqrt{15}\) है। घटाने पर (-1) मिलता है। / \(q^2=31+8\sqrt{15}\) and \(8q=32+8\sqrt{15}\). Subtracting gives (-1).

Which concept should I revise for this Mathematics MCQ?

\(q^2=31+8\sqrt{15}\) and \(8q=32+8\sqrt{15}\). Subtracting gives (-1).

What exam hint can help solve this Mathematics question?

\(q^2=31+8\sqrt{15}\) और \(8q=32+8\sqrt{15}\) है। घटाने पर (-1) मिलता है।