गुणोत्तर श्रेढ़ी के लगातार तीन पद (x,3x,27) हैं। धनात्मक (x) क्या है?

The consecutive terms of a geometric progression are (x,3x,27). What is the positive (x)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (3)

Step 1

Concept

((3x)2=x\cdot27), so \(9x^2=27x\) and positive (x=3). Do not take zero as a positive solution.

Step 2

Why this answer is correct

The correct answer is C. (3). ((3x)2=x\cdot27), so \(9x^2=27x\) and positive (x=3). Do not take zero as a positive solution.

Step 3

Exam Tip

((3x)2=x\cdot27), इसलिए \(9x^2=27x\) और धनात्मक (x=3)। शून्य को धनात्मक हल में नहीं लें।

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गुणोत्तर श्रेढ़ी के लगातार तीन पद (x,3x,27) हैं। धनात्मक (x) क्या है? / The consecutive terms of a geometric progression are (x,3x,27). What is the positive (x)?

Correct Answer: C. (3). Explanation: ((3x)2=x\cdot27), इसलिए \(9x^2=27x\) और धनात्मक (x=3)। शून्य को धनात्मक हल में नहीं लें। / ((3x)2=x\cdot27), so \(9x^2=27x\) and positive (x=3). Do not take zero as a positive solution.

Which concept should I revise for this Mathematics MCQ?

((3x)2=x\cdot27), so \(9x^2=27x\) and positive (x=3). Do not take zero as a positive solution.

What exam hint can help solve this Mathematics question?

((3x)2=x\cdot27), इसलिए \(9x^2=27x\) और धनात्मक (x=3)। शून्य को धनात्मक हल में नहीं लें।