अनुक्रम \(50,43,36,29,\ldots\) का (n)वाँ पद कौन-सा है?

What is the (n)th term of the sequence \(50,43,36,29,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (57-7n)

Step 1

Concept

The first term is (50) and the difference is (-7), so (a_n=50+(n-1)(-7)=57-7n). In a decreasing sequence, take the difference as negative.

Step 2

Why this answer is correct

The correct answer is A. (57-7n). The first term is (50) and the difference is (-7), so (a_n=50+(n-1)(-7)=57-7n). In a decreasing sequence, take the difference as negative.

Step 3

Exam Tip

पहला पद (50) और अंतर (-7) है, इसलिए (a_n=50+(n-1)(-7)=57-7n)। घटती श्रेढ़ी में अंतर को ऋणात्मक लें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(50,43,36,29,\ldots\) का (n)वाँ पद कौन-सा है? / What is the (n)th term of the sequence \(50,43,36,29,\ldots\)?

Correct Answer: A. (57-7n). Explanation: पहला पद (50) और अंतर (-7) है, इसलिए (a_n=50+(n-1)(-7)=57-7n)। घटती श्रेढ़ी में अंतर को ऋणात्मक लें। / The first term is (50) and the difference is (-7), so (a_n=50+(n-1)(-7)=57-7n). In a decreasing sequence, take the difference as negative.

Which concept should I revise for this Mathematics MCQ?

The first term is (50) and the difference is (-7), so (a_n=50+(n-1)(-7)=57-7n). In a decreasing sequence, take the difference as negative.

What exam hint can help solve this Mathematics question?

पहला पद (50) और अंतर (-7) है, इसलिए (a_n=50+(n-1)(-7)=57-7n)। घटती श्रेढ़ी में अंतर को ऋणात्मक लें।