गुणोत्तर श्रेढ़ी \(5,-15,45,-135,\ldots\) का छठा पद क्या है?

What is the sixth term of the geometric progression \(5,-15,45,-135,\ldots\)?

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

C. (-1215)

Step 1

Concept

The common ratio is (-3), and the terms are (5,-15,45,-135,405,-1215). With a negative ratio, signs alternate.

Step 2

Why this answer is correct

The correct answer is C. (-1215). The common ratio is (-3), and the terms are (5,-15,45,-135,405,-1215). With a negative ratio, signs alternate.

Step 3

Exam Tip

सार्व अनुपात (-3) है और पद (5,-15,45,-135,405,-1215) हैं। ऋणात्मक अनुपात में चिह्न बदलते हैं।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(5,-15,45,-135,\ldots\) का छठा पद क्या है? / What is the sixth term of the geometric progression \(5,-15,45,-135,\ldots\)?

Correct Answer: C. (-1215). Explanation: सार्व अनुपात (-3) है और पद (5,-15,45,-135,405,-1215) हैं। ऋणात्मक अनुपात में चिह्न बदलते हैं। / The common ratio is (-3), and the terms are (5,-15,45,-135,405,-1215). With a negative ratio, signs alternate.

Which concept should I revise for this Mathematics MCQ?

The common ratio is (-3), and the terms are (5,-15,45,-135,405,-1215). With a negative ratio, signs alternate.

What exam hint can help solve this Mathematics question?

सार्व अनुपात (-3) है और पद (5,-15,45,-135,405,-1215) हैं। ऋणात्मक अनुपात में चिह्न बदलते हैं।