यदि (p(x)=rx-12) और (p(6)=30), तो (p(-2)) का मान क्या है?

If (p(x)=rx-12) and (p(6)=30), what is the value of (p(-2))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (-26)

Step 1

Concept

From (6r-12=30), we get (r=7). Therefore (p(-2)=7(-2)-12=-26).

Step 2

Why this answer is correct

The correct answer is B. (-26). From (6r-12=30), we get (r=7). Therefore (p(-2)=7(-2)-12=-26).

Step 3

Exam Tip

(6r-12=30) से (r=7) मिलता है। इसलिए (p(-2)=7(-2)-12=-26) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=rx-12) और (p(6)=30), तो (p(-2)) का मान क्या है? / If (p(x)=rx-12) and (p(6)=30), what is the value of (p(-2))?

Correct Answer: B. (-26). Explanation: (6r-12=30) से (r=7) मिलता है। इसलिए (p(-2)=7(-2)-12=-26) है। / From (6r-12=30), we get (r=7). Therefore (p(-2)=7(-2)-12=-26).

Which concept should I revise for this Mathematics MCQ?

From (6r-12=30), we get (r=7). Therefore (p(-2)=7(-2)-12=-26).

What exam hint can help solve this Mathematics question?

(6r-12=30) से (r=7) मिलता है। इसलिए (p(-2)=7(-2)-12=-26) है।