यदि \(a_n=7^n\) है, तो \(a_2\) क्या होगा?

If \(a_n=7^n\), what is \(a_2\)?

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Correct Answer

C. (49)

Step 1

Concept

\(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.

Step 2

Why this answer is correct

The correct answer is C. (49). \(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.

Step 3

Exam Tip

\(a_2=7^2=49\)। घात वाले पद में (n) की जगह (2) रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=7^n\) है, तो \(a_2\) क्या होगा? / If \(a_n=7^n\), what is \(a_2\)?

Correct Answer: C. (49). Explanation: \(a_2=7^2=49\)। घात वाले पद में (n) की जगह (2) रखें। / \(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.

Which concept should I revise for this Mathematics MCQ?

\(a_2=7^2=49\). Put (2) in place of (n) in the exponential term.

What exam hint can help solve this Mathematics question?

\(a_2=7^2=49\)। घात वाले पद में (n) की जगह (2) रखें।