अनुक्रम \(25,20,15,10,\ldots\) के लिए सही recursive rule कौन सा है?
Which recursive rule is correct for the sequence \(25,20,15,10,\ldots\)?
Explanation opens after your attempt
C. \(a_1=25, a_{n+1}=a_n-5\)
Concept
The first term is (25), and (5) is subtracted each time. Exam tip: watch the (-) sign in decreasing sequences.
Why this answer is correct
The correct answer is C. \(a_1=25, a_{n+1}=a_n-5\). The first term is (25), and (5) is subtracted each time. Exam tip: watch the (-) sign in decreasing sequences.
Exam Tip
पहला पद (25) है और हर बार (5) घटता है। घटते अनुक्रम में (-) चिह्न देखें।
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