गुणोत्तर श्रेणी \(1,4,16,\ldots\) में (1024) तक कितने पद हैं?

How many terms are there up to (1024) in the geometric progression \(1,4,16,\ldots\)?

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Correct Answer

B. (6)

Step 1

Concept

\(1\cdot4^{n-1}=1024=4^5\), so (n=6). In exams equate the last term to the general term.

Step 2

Why this answer is correct

The correct answer is B. (6). \(1\cdot4^{n-1}=1024=4^5\), so (n=6). In exams equate the last term to the general term.

Step 3

Exam Tip

\(1\cdot4^{n-1}=1024=4^5\) इसलिए (n=6) है। परीक्षा में अंतिम पद को सामान्य पद के बराबर रखें।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेणी \(1,4,16,\ldots\) में (1024) तक कितने पद हैं? / How many terms are there up to (1024) in the geometric progression \(1,4,16,\ldots\)?

Correct Answer: B. (6). Explanation: \(1\cdot4^{n-1}=1024=4^5\) इसलिए (n=6) है। परीक्षा में अंतिम पद को सामान्य पद के बराबर रखें। / \(1\cdot4^{n-1}=1024=4^5\), so (n=6). In exams equate the last term to the general term.

Which concept should I revise for this Mathematics MCQ?

\(1\cdot4^{n-1}=1024=4^5\), so (n=6). In exams equate the last term to the general term.

What exam hint can help solve this Mathematics question?

\(1\cdot4^{n-1}=1024=4^5\) इसलिए (n=6) है। परीक्षा में अंतिम पद को सामान्य पद के बराबर रखें।