गुणोत्तर श्रेणी \(4,12,36,\ldots\) के पहले (7) पदों का योग क्या है?

What is the sum of the first (7) terms of the geometric progression \(4,12,36,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (4372)

Step 1

Concept

(S_7=4\(3^7-1\)/(3-1)=4372). In exams first calculate the value of \(3^7\).

Step 2

Why this answer is correct

The correct answer is A. (4372). (S_7=4\(3^7-1\)/(3-1)=4372). In exams first calculate the value of \(3^7\).

Step 3

Exam Tip

(S_7=4\(3^7-1\)/(3-1)=4372) है। परीक्षा में पहले \(3^7\) का मान निकालें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेणी \(4,12,36,\ldots\) के पहले (7) पदों का योग क्या है? / What is the sum of the first (7) terms of the geometric progression \(4,12,36,\ldots\)?

Correct Answer: A. (4372). Explanation: (S_7=4\(3^7-1\)/(3-1)=4372) है। परीक्षा में पहले \(3^7\) का मान निकालें। / (S_7=4\(3^7-1\)/(3-1)=4372). In exams first calculate the value of \(3^7\).

Which concept should I revise for this Mathematics MCQ?

(S_7=4\(3^7-1\)/(3-1)=4372). In exams first calculate the value of \(3^7\).

What exam hint can help solve this Mathematics question?

(S_7=4\(3^7-1\)/(3-1)=4372) है। परीक्षा में पहले \(3^7\) का मान निकालें।