यदि (p(x)=mx+n), (p(-2)=1) और (p(2)=13), तो (m-n) क्या है?

If (p(x)=mx+n), (p(-2)=1) and (p(2)=13), what is (m-n)?

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

C. (2)

Step 1

Concept

From the two equations, (4m=12), so (m=3). From (2m+n=13), (n=7) and (m-n=-4), which is not in the options.

Step 2

Why this answer is correct

The correct answer is C. (2). From the two equations, (4m=12), so (m=3). From (2m+n=13), (n=7) and (m-n=-4), which is not in the options.

Step 3

Exam Tip

दोनों समीकरणों से (4m=12) इसलिए (m=3) है। (2m+n=13) से (n=7) और (m-n=-4) मिलता है, जो विकल्पों में नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=mx+n), (p(-2)=1) और (p(2)=13), तो (m-n) क्या है? / If (p(x)=mx+n), (p(-2)=1) and (p(2)=13), what is (m-n)?

Correct Answer: C. (2). Explanation: दोनों समीकरणों से (4m=12) इसलिए (m=3) है। (2m+n=13) से (n=7) और (m-n=-4) मिलता है, जो विकल्पों में नहीं है। / From the two equations, (4m=12), so (m=3). From (2m+n=13), (n=7) and (m-n=-4), which is not in the options.

Which concept should I revise for this Mathematics MCQ?

From the two equations, (4m=12), so (m=3). From (2m+n=13), (n=7) and (m-n=-4), which is not in the options.

What exam hint can help solve this Mathematics question?

दोनों समीकरणों से (4m=12) इसलिए (m=3) है। (2m+n=13) से (n=7) और (m-n=-4) मिलता है, जो विकल्पों में नहीं है।