समांतर श्रेढ़ी \(21,28,35,42,\ldots\) का (14)वाँ पद क्या है?
What is the (14)th term of the AP \(21,28,35,42,\ldots\)?
Explanation opens after your attempt
A. (112)
Concept
Here (a=21), (d=7), so \(a_{14}=21+13\times7=112\). Add (13d) for the (14)th term.
Why this answer is correct
The correct answer is A. (112). Here (a=21), (d=7), so \(a_{14}=21+13\times7=112\). Add (13d) for the (14)th term.
Exam Tip
यहाँ (a=21), (d=7) है, इसलिए \(a_{14}=21+13\times7=112\)। (14)वें पद के लिए (13d) जोड़ें।
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