गुणोत्तर श्रेढ़ी \(8,-16,32,-64,\ldots\) का सातवाँ पद क्या है?

What is the seventh term of the geometric progression \(8,-16,32,-64,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (512)

Step 1

Concept

The common ratio is (-2), and (a_7=8(-2)6=512). An even power of a negative ratio is positive.

Step 2

Why this answer is correct

The correct answer is C. (512). The common ratio is (-2), and (a_7=8(-2)6=512). An even power of a negative ratio is positive.

Step 3

Exam Tip

सार्व अनुपात (-2) है और (a_7=8(-2)6=512) है। ऋणात्मक अनुपात की सम घात धनात्मक होती है।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(8,-16,32,-64,\ldots\) का सातवाँ पद क्या है? / What is the seventh term of the geometric progression \(8,-16,32,-64,\ldots\)?

Correct Answer: C. (512). Explanation: सार्व अनुपात (-2) है और (a_7=8(-2)6=512) है। ऋणात्मक अनुपात की सम घात धनात्मक होती है। / The common ratio is (-2), and (a_7=8(-2)6=512). An even power of a negative ratio is positive.

Which concept should I revise for this Mathematics MCQ?

The common ratio is (-2), and (a_7=8(-2)6=512). An even power of a negative ratio is positive.

What exam hint can help solve this Mathematics question?

सार्व अनुपात (-2) है और (a_7=8(-2)6=512) है। ऋणात्मक अनुपात की सम घात धनात्मक होती है।