गुणोत्तर श्रेढ़ी में \(a_2=32\) और \(a_6=8192\) है। धनात्मक (r) के लिए \(a_1\) क्या होगा?

In a geometric progression, \(a_2=32\) and \(a_6=8192\). For positive (r), what will \(a_1\) be?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (8)

Step 1

Concept

\(a_6=a_2r^4\), so \(8192=32r^4\) and (r=4), hence \(a_1=8\). First find the ratio and then move backward.

Step 2

Why this answer is correct

The correct answer is C. (8). \(a_6=a_2r^4\), so \(8192=32r^4\) and (r=4), hence \(a_1=8\). First find the ratio and then move backward.

Step 3

Exam Tip

\(a_6=a_2r^4\), इसलिए \(8192=32r^4\) और (r=4), अतः \(a_1=8\)। पहले अनुपात निकालें फिर पीछे जाएं।

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गुणोत्तर श्रेढ़ी में \(a_2=32\) और \(a_6=8192\) है। धनात्मक (r) के लिए \(a_1\) क्या होगा? / In a geometric progression, \(a_2=32\) and \(a_6=8192\). For positive (r), what will \(a_1\) be?

Correct Answer: C. (8). Explanation: \(a_6=a_2r^4\), इसलिए \(8192=32r^4\) और (r=4), अतः \(a_1=8\)। पहले अनुपात निकालें फिर पीछे जाएं। / \(a_6=a_2r^4\), so \(8192=32r^4\) and (r=4), hence \(a_1=8\). First find the ratio and then move backward.

Which concept should I revise for this Mathematics MCQ?

\(a_6=a_2r^4\), so \(8192=32r^4\) and (r=4), hence \(a_1=8\). First find the ratio and then move backward.

What exam hint can help solve this Mathematics question?

\(a_6=a_2r^4\), इसलिए \(8192=32r^4\) और (r=4), अतः \(a_1=8\)। पहले अनुपात निकालें फिर पीछे जाएं।