यदि (p(x)=ax+12) और (p(3)=p(7)-20), तो (a) क्या है?

If (p(x)=ax+12) and (p(3)=p(7)-20), what is (a)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (5)

Step 1

Concept

From (3a+12=(7a+12)-20), we get (3a=7a-20). Therefore (a=5).

Step 2

Why this answer is correct

The correct answer is C. (5). From (3a+12=(7a+12)-20), we get (3a=7a-20). Therefore (a=5).

Step 3

Exam Tip

(3a+12=(7a+12)-20) से (3a=7a-20) मिलता है। इसलिए (a=5) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=ax+12) और (p(3)=p(7)-20), तो (a) क्या है? / If (p(x)=ax+12) and (p(3)=p(7)-20), what is (a)?

Correct Answer: C. (5). Explanation: (3a+12=(7a+12)-20) से (3a=7a-20) मिलता है। इसलिए (a=5) है। / From (3a+12=(7a+12)-20), we get (3a=7a-20). Therefore (a=5).

Which concept should I revise for this Mathematics MCQ?

From (3a+12=(7a+12)-20), we get (3a=7a-20). Therefore (a=5).

What exam hint can help solve this Mathematics question?

(3a+12=(7a+12)-20) से (3a=7a-20) मिलता है। इसलिए (a=5) है।