समानांतर श्रेढ़ी \(12,17,22,27,\ldots\) का (n)वाँ पद कौन-सा है?

What is the (n)th term of the arithmetic progression \(12,17,22,27,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_n=5n+7\)

Step 1

Concept

Here (a=12) and (d=5), so (a_n=12+(n-1)5=5n+7). Use (n-1) while forming the general term.

Step 2

Why this answer is correct

The correct answer is A. \(a_n=5n+7\). Here (a=12) and (d=5), so (a_n=12+(n-1)5=5n+7). Use (n-1) while forming the general term.

Step 3

Exam Tip

यहाँ (a=12) और (d=5), इसलिए (a_n=12+(n-1)5=5n+7)। सामान्य पद बनाते समय (n-1) का उपयोग करें।

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Mathematics Answer, Explanation and Revision Hints

समानांतर श्रेढ़ी \(12,17,22,27,\ldots\) का (n)वाँ पद कौन-सा है? / What is the (n)th term of the arithmetic progression \(12,17,22,27,\ldots\)?

Correct Answer: A. \(a_n=5n+7\). Explanation: यहाँ (a=12) और (d=5), इसलिए (a_n=12+(n-1)5=5n+7)। सामान्य पद बनाते समय (n-1) का उपयोग करें। / Here (a=12) and (d=5), so (a_n=12+(n-1)5=5n+7). Use (n-1) while forming the general term.

Which concept should I revise for this Mathematics MCQ?

Here (a=12) and (d=5), so (a_n=12+(n-1)5=5n+7). Use (n-1) while forming the general term.

What exam hint can help solve this Mathematics question?

यहाँ (a=12) और (d=5), इसलिए (a_n=12+(n-1)5=5n+7)। सामान्य पद बनाते समय (n-1) का उपयोग करें।