अनुक्रम \(4,9,16,25,\ldots\) का (n)वाँ पद कौन-सा है?

What is the (n)th term of the sequence \(4,9,16,25,\ldots\)?

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

A. \(n^2+2n+1\)

Step 1

Concept

These are terms of ((n+1)2), so \(a_n=n^2+2n+1\). Check by putting (n=1).

Step 2

Why this answer is correct

The correct answer is A. \(n^2+2n+1\). These are terms of ((n+1)2), so \(a_n=n^2+2n+1\). Check by putting (n=1).

Step 3

Exam Tip

यह ((n+1)2) के पद हैं, इसलिए \(a_n=n^2+2n+1\)। पहले पद पर (n=1) रखकर जांचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(4,9,16,25,\ldots\) का (n)वाँ पद कौन-सा है? / What is the (n)th term of the sequence \(4,9,16,25,\ldots\)?

Correct Answer: A. \(n^2+2n+1\). Explanation: यह ((n+1)2) के पद हैं, इसलिए \(a_n=n^2+2n+1\)। पहले पद पर (n=1) रखकर जांचें। / These are terms of ((n+1)2), so \(a_n=n^2+2n+1\). Check by putting (n=1).

Which concept should I revise for this Mathematics MCQ?

These are terms of ((n+1)2), so \(a_n=n^2+2n+1\). Check by putting (n=1).

What exam hint can help solve this Mathematics question?

यह ((n+1)2) के पद हैं, इसलिए \(a_n=n^2+2n+1\)। पहले पद पर (n=1) रखकर जांचें।