यदि \(a_n=n^2+n\) है, तो \(a_7\) का मान क्या होगा?

If \(a_n=n^2+n\), what is the value of \(a_7\)?

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

C. (56)

Step 1

Concept

\(a_7=7^2+7=56\). Do the square and addition in order.

Step 2

Why this answer is correct

The correct answer is C. (56). \(a_7=7^2+7=56\). Do the square and addition in order.

Step 3

Exam Tip

\(a_7=7^2+7=56\)। वर्ग और जोड़ को क्रम से करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=n^2+n\) है, तो \(a_7\) का मान क्या होगा? / If \(a_n=n^2+n\), what is the value of \(a_7\)?

Correct Answer: C. (56). Explanation: \(a_7=7^2+7=56\)। वर्ग और जोड़ को क्रम से करें। / \(a_7=7^2+7=56\). Do the square and addition in order.

Which concept should I revise for this Mathematics MCQ?

\(a_7=7^2+7=56\). Do the square and addition in order.

What exam hint can help solve this Mathematics question?

\(a_7=7^2+7=56\)। वर्ग और जोड़ को क्रम से करें।