यदि \(a_n=42-6n\) है, तो इस समानांतर श्रेढ़ी का समान अंतर क्या है?

If \(a_n=42-6n\), what is the common difference of this arithmetic progression?

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

A. (-6)

Step 1

Concept

In the linear form the coefficient of (n) is (-6), so the common difference is (-6). Always check the sign of the coefficient.

Step 2

Why this answer is correct

The correct answer is A. (-6). In the linear form the coefficient of (n) is (-6), so the common difference is (-6). Always check the sign of the coefficient.

Step 3

Exam Tip

रैखिक रूप में (n) का गुणांक (-6) है इसलिए समान अंतर (-6) है। गुणांक का चिह्न जरूर देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=42-6n\) है, तो इस समानांतर श्रेढ़ी का समान अंतर क्या है? / If \(a_n=42-6n\), what is the common difference of this arithmetic progression?

Correct Answer: A. (-6). Explanation: रैखिक रूप में (n) का गुणांक (-6) है इसलिए समान अंतर (-6) है। गुणांक का चिह्न जरूर देखें। / In the linear form the coefficient of (n) is (-6), so the common difference is (-6). Always check the sign of the coefficient.

Which concept should I revise for this Mathematics MCQ?

In the linear form the coefficient of (n) is (-6), so the common difference is (-6). Always check the sign of the coefficient.

What exam hint can help solve this Mathematics question?

रैखिक रूप में (n) का गुणांक (-6) है इसलिए समान अंतर (-6) है। गुणांक का चिह्न जरूर देखें।