किसी अनुक्रम में \(F_1=20\) और \(F_n=F_{n-1}-2n+1\) है। \(F_5\) का मान क्या होगा?

In a sequence, \(F_1=20\) and \(F_n=F_{n-1}-2n+1\). What is the value of \(F_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. ऋण चार(-4)

Step 1

Concept

\(F_2=17\), \(F_3=12\), \(F_4=5\), and \(F_5=-4\). In exams, understand the subtracted amount as (2n-1).

Step 2

Why this answer is correct

The correct answer is B. ऋण चार / (-4). \(F_2=17\), \(F_3=12\), \(F_4=5\), and \(F_5=-4\). In exams, understand the subtracted amount as (2n-1).

Step 3

Exam Tip

\(F_2=17\), \(F_3=12\), \(F_4=5\) और \(F_5=-4\) है। परीक्षा में घटाई जाने वाली राशि (2n-1) समझें।

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किसी अनुक्रम में \(F_1=20\) और \(F_n=F_{n-1}-2n+1\) है। \(F_5\) का मान क्या होगा? / In a sequence, \(F_1=20\) and \(F_n=F_{n-1}-2n+1\). What is the value of \(F_5\)?

Correct Answer: B. ऋण चार / (-4). Explanation: \(F_2=17\), \(F_3=12\), \(F_4=5\) और \(F_5=-4\) है। परीक्षा में घटाई जाने वाली राशि (2n-1) समझें। / \(F_2=17\), \(F_3=12\), \(F_4=5\), and \(F_5=-4\). In exams, understand the subtracted amount as (2n-1).

Which concept should I revise for this Mathematics MCQ?

\(F_2=17\), \(F_3=12\), \(F_4=5\), and \(F_5=-4\). In exams, understand the subtracted amount as (2n-1).

What exam hint can help solve this Mathematics question?

\(F_2=17\), \(F_3=12\), \(F_4=5\) और \(F_5=-4\) है। परीक्षा में घटाई जाने वाली राशि (2n-1) समझें।