कौन सा विकल्प (\(\sqrt{7}-\sqrt{3}\)2) का सही विस्तार है?

Which option is the correct expansion of (\(\sqrt{7}-\sqrt{3}\)2)?

Explanation opens after your attempt
Correct Answer

A. \(10-2\sqrt{21}\)

Step 1

Concept

(\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}). Apply the (2ab) term carefully in the square formula.

Step 2

Why this answer is correct

The correct answer is A. \(10-2\sqrt{21}\). (\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}). Apply the (2ab) term carefully in the square formula.

Step 3

Exam Tip

(\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}) है। वर्ग सूत्र में (2ab) पद सावधानी से लगाएँ।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

कौन सा विकल्प (\(\sqrt{7}-\sqrt{3}\)2) का सही विस्तार है? / Which option is the correct expansion of (\(\sqrt{7}-\sqrt{3}\)2)?

Correct Answer: A. \(10-2\sqrt{21}\). Explanation: (\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}) है। वर्ग सूत्र में (2ab) पद सावधानी से लगाएँ। / (\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}). Apply the (2ab) term carefully in the square formula.

Which concept should I revise for this Mathematics MCQ?

(\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}). Apply the (2ab) term carefully in the square formula.

What exam hint can help solve this Mathematics question?

(\(\sqrt{7}-\sqrt{3}\)2=7+3-2\sqrt{21}) है। वर्ग सूत्र में (2ab) पद सावधानी से लगाएँ।