कौन सा विकल्प (\(\sqrt{15}+\sqrt{6}\)\(\sqrt{15}-\sqrt{6}\)) का मान है?

Which option is the value of (\(\sqrt{15}+\sqrt{6}\)\(\sqrt{15}-\sqrt{6}\))?

Explanation opens after your attempt
Correct Answer

A. (9)

Step 1

Concept

This is the difference of squares formula and the value is (15-6=9). In conjugate multiplication the irrational part cancels.

Step 2

Why this answer is correct

The correct answer is A. (9). This is the difference of squares formula and the value is (15-6=9). In conjugate multiplication the irrational part cancels.

Step 3

Exam Tip

यह अंतर वर्ग सूत्र है और मान (15-6=9) मिलता है। संयुग्मी गुणन में अपरिमेय भाग हट जाता है।

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Mathematics Answer, Explanation and Revision Hints

कौन सा विकल्प (\(\sqrt{15}+\sqrt{6}\)\(\sqrt{15}-\sqrt{6}\)) का मान है? / Which option is the value of (\(\sqrt{15}+\sqrt{6}\)\(\sqrt{15}-\sqrt{6}\))?

Correct Answer: A. (9). Explanation: यह अंतर वर्ग सूत्र है और मान (15-6=9) मिलता है। संयुग्मी गुणन में अपरिमेय भाग हट जाता है। / This is the difference of squares formula and the value is (15-6=9). In conjugate multiplication the irrational part cancels.

Which concept should I revise for this Mathematics MCQ?

This is the difference of squares formula and the value is (15-6=9). In conjugate multiplication the irrational part cancels.

What exam hint can help solve this Mathematics question?

यह अंतर वर्ग सूत्र है और मान (15-6=9) मिलता है। संयुग्मी गुणन में अपरिमेय भाग हट जाता है।