किस विकल्प में (7ab-4a+3ab+9a) का सही सरल रूप है?

Which option gives the correct simplified form of (7ab-4a+3ab+9a)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (10ab+5a)

Step 1

Concept

(7ab+3ab=10ab) and (-4a+9a=5a). (ab) and (a) are unlike terms.

Step 2

Why this answer is correct

The correct answer is A. (10ab+5a). (7ab+3ab=10ab) and (-4a+9a=5a). (ab) and (a) are unlike terms.

Step 3

Exam Tip

(7ab+3ab=10ab) और (-4a+9a=5a)। (ab) और (a) असमान पद हैं।

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किस विकल्प में (7ab-4a+3ab+9a) का सही सरल रूप है? / Which option gives the correct simplified form of (7ab-4a+3ab+9a)?

Correct Answer: A. (10ab+5a). Explanation: (7ab+3ab=10ab) और (-4a+9a=5a)। (ab) और (a) असमान पद हैं। / (7ab+3ab=10ab) and (-4a+9a=5a). (ab) and (a) are unlike terms.

Which concept should I revise for this Mathematics MCQ?

(7ab+3ab=10ab) and (-4a+9a=5a). (ab) and (a) are unlike terms.

What exam hint can help solve this Mathematics question?

(7ab+3ab=10ab) और (-4a+9a=5a)। (ab) और (a) असमान पद हैं।