यदि \(c=\sqrt{26}+\sqrt{10}\) और \(d=\sqrt{26}-\sqrt{10}\) हैं तो (cd) और (c-d) का सही युग्म कौन-सा है?

If \(c=\sqrt{26}+\sqrt{10}\) and \(d=\sqrt{26}-\sqrt{10}\), which is the correct pair of (cd) and (c-d)?

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

A. (16), \(2\sqrt{10}\)

Step 1

Concept

(cd=26-10=16) and \(c-d=2\sqrt{10}\). Find both values separately in a conjugate pair.

Step 2

Why this answer is correct

The correct answer is A. (16), \(2\sqrt{10}\). (cd=26-10=16) and \(c-d=2\sqrt{10}\). Find both values separately in a conjugate pair.

Step 3

Exam Tip

(cd=26-10=16) और \(c-d=2\sqrt{10}\) है। संयुग्मी युग्म में दोनों मान अलग-अलग निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(c=\sqrt{26}+\sqrt{10}\) और \(d=\sqrt{26}-\sqrt{10}\) हैं तो (cd) और (c-d) का सही युग्म कौन-सा है? / If \(c=\sqrt{26}+\sqrt{10}\) and \(d=\sqrt{26}-\sqrt{10}\), which is the correct pair of (cd) and (c-d)?

Correct Answer: A. (16), \(2\sqrt{10}\). Explanation: (cd=26-10=16) और \(c-d=2\sqrt{10}\) है। संयुग्मी युग्म में दोनों मान अलग-अलग निकालें। / (cd=26-10=16) and \(c-d=2\sqrt{10}\). Find both values separately in a conjugate pair.

Which concept should I revise for this Mathematics MCQ?

(cd=26-10=16) and \(c-d=2\sqrt{10}\). Find both values separately in a conjugate pair.

What exam hint can help solve this Mathematics question?

(cd=26-10=16) और \(c-d=2\sqrt{10}\) है। संयुग्मी युग्म में दोनों मान अलग-अलग निकालें।