( (x+4)2-(x-6)2 ) का सरल रूप क्या है?

What is the simplified form of ( (x+4)2-(x-6)2 )?

Explanation opens after your attempt
Correct Answer

A. (20x-20)

Step 1

Concept

Apply (A-2-B-2=(A+B)(A-B)). Here (A+B=2x-2) and (A-B=10), so it is (20x-20).

Step 2

Why this answer is correct

The correct answer is A. (20x-20). Apply (A-2-B-2=(A+B)(A-B)). Here (A+B=2x-2) and (A-B=10), so it is (20x-20).

Step 3

Exam Tip

(A-2-B-2=(A+B)(A-B)) लगाएँ। यहाँ (A+B=2x-2) और (A-B=10), इसलिए (20x-20) है।

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Mathematics Answer, Explanation and Revision Hints

( (x+4)2-(x-6)2 ) का सरल रूप क्या है? / What is the simplified form of ( (x+4)2-(x-6)2 )?

Correct Answer: A. (20x-20). Explanation: (A-2-B-2=(A+B)(A-B)) लगाएँ। यहाँ (A+B=2x-2) और (A-B=10), इसलिए (20x-20) है। / Apply (A-2-B-2=(A+B)(A-B)). Here (A+B=2x-2) and (A-B=10), so it is (20x-20).

Which concept should I revise for this Mathematics MCQ?

Apply (A-2-B-2=(A+B)(A-B)). Here (A+B=2x-2) and (A-B=10), so it is (20x-20).

What exam hint can help solve this Mathematics question?

(A-2-B-2=(A+B)(A-B)) लगाएँ। यहाँ (A+B=2x-2) और (A-B=10), इसलिए (20x-20) है।

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