( \sqrt{7}\(4+\sqrt{7}\) ) का मान क्या है?

What is the value of ( \sqrt{7}\(4+\sqrt{7}\) )?

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

B. \(4\sqrt{7}+7\)

Step 1

Concept

By distributive law, \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \). Multiplying the same square root gives the radicand.

Step 2

Why this answer is correct

The correct answer is B. \(4\sqrt{7}+7\). By distributive law, \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \). Multiplying the same square root gives the radicand.

Step 3

Exam Tip

वितरण नियम से \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \)। समान वर्गमूल का गुणन अंदर की संख्या देता है।

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Mathematics Answer, Explanation and Revision Hints

( \sqrt{7}\(4+\sqrt{7}\) ) का मान क्या है? / What is the value of ( \sqrt{7}\(4+\sqrt{7}\) )?

Correct Answer: B. \(4\sqrt{7}+7\). Explanation: वितरण नियम से \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \)। समान वर्गमूल का गुणन अंदर की संख्या देता है। / By distributive law, \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \). Multiplying the same square root gives the radicand.

Which concept should I revise for this Mathematics MCQ?

By distributive law, \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \). Multiplying the same square root gives the radicand.

What exam hint can help solve this Mathematics question?

वितरण नियम से \( \sqrt{7}\times4+\sqrt{7}\times\sqrt{7}=4\sqrt{7}+7 \)। समान वर्गमूल का गुणन अंदर की संख्या देता है।