यदि किसी गुणोत्तर श्रेणी में (a=7) और (r=4) है, तो \(a_7\) का मान क्या होगा?

If a geometric progression has (a=7) and (r=4), what is the value of \(a_7\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (28672)

Step 1

Concept

\(a_7=7\cdot4^6=28672\). In exams, use \(r^6\) for the seventh term.

Step 2

Why this answer is correct

The correct answer is B. (28672). \(a_7=7\cdot4^6=28672\). In exams, use \(r^6\) for the seventh term.

Step 3

Exam Tip

\(a_7=7\cdot4^6=28672\) है। परीक्षा में सातवें पद के लिए \(r^6\) लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि किसी गुणोत्तर श्रेणी में (a=7) और (r=4) है, तो \(a_7\) का मान क्या होगा? / If a geometric progression has (a=7) and (r=4), what is the value of \(a_7\)?

Correct Answer: B. (28672). Explanation: \(a_7=7\cdot4^6=28672\) है। परीक्षा में सातवें पद के लिए \(r^6\) लगाएँ। / \(a_7=7\cdot4^6=28672\). In exams, use \(r^6\) for the seventh term.

Which concept should I revise for this Mathematics MCQ?

\(a_7=7\cdot4^6=28672\). In exams, use \(r^6\) for the seventh term.

What exam hint can help solve this Mathematics question?

\(a_7=7\cdot4^6=28672\) है। परीक्षा में सातवें पद के लिए \(r^6\) लगाएँ।