Medium Mathematics Chapter 1: Real Numbers Class 10 Level 15

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

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

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

Apply distribution: \(\sqrt{7}\times4+\sqrt{7}\times\sqrt{7}\).

Step 2

Why this answer is correct

This becomes \(4\sqrt{7}+7\).

Step 3

Exam Tip

In such multiplication, remember \(\sqrt{7}\times\sqrt{7}=7\). चरण 1: वितरण नियम लगाएं: \(\sqrt{7}\times4+\sqrt{7}\times\sqrt{7}\)। चरण 2: यह \(4\sqrt{7}+7\) बनता है। चरण 3: समान वर्गमूलों के गुणन में \(\sqrt{7}\times\sqrt{7}=7\) याद रखें।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. \(4\sqrt{7}+7\).

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