समानांतर श्रेढ़ी \(60,54,48,42,\ldots\) का (12)वाँ पद क्या होगा?
What will be the (12)th term of the arithmetic progression \(60,54,48,42,\ldots\)?
Explanation opens after your attempt
A. (-6)
Concept
Here (a=60) and (d=-6), so (a_{12}=60+11(-6)=-6). In a decreasing progression, terms can become negative.
Why this answer is correct
The correct answer is A. (-6). Here (a=60) and (d=-6), so (a_{12}=60+11(-6)=-6). In a decreasing progression, terms can become negative.
Exam Tip
यहाँ (a=60) और (d=-6), इसलिए (a_{12}=60+11(-6)=-6)। घटती श्रेढ़ी में पद ऋणात्मक भी हो सकते हैं।
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