\(7a^2-14a\) में समान गुणनखंड निकालने पर क्या बचेगा?

After taking out the common factor in \(7a^2-14a\), what remains?

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Correct Answer

B. (7a(a-2))

Step 1

Concept

(7a) is common in both terms. Therefore (7a-2-14a=7a(a-2)).

Step 2

Why this answer is correct

The correct answer is B. (7a(a-2)). (7a) is common in both terms. Therefore (7a-2-14a=7a(a-2)).

Step 3

Exam Tip

दोनों पदों में (7a) समान है। इसलिए (7a-2-14a=7a(a-2)) है।

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Mathematics Answer, Explanation and Revision Hints

\(7a^2-14a\) में समान गुणनखंड निकालने पर क्या बचेगा? / After taking out the common factor in \(7a^2-14a\), what remains?

Correct Answer: B. (7a(a-2)). Explanation: दोनों पदों में (7a) समान है। इसलिए (7a-2-14a=7a(a-2)) है। / (7a) is common in both terms. Therefore (7a-2-14a=7a(a-2)).

Which concept should I revise for this Mathematics MCQ?

(7a) is common in both terms. Therefore (7a-2-14a=7a(a-2)).

What exam hint can help solve this Mathematics question?

दोनों पदों में (7a) समान है। इसलिए (7a-2-14a=7a(a-2)) है।