अनुक्रम \(3,7,11,15,\ldots\) का (15)वाँ पद क्या है?
What is the (15)th term of the sequence \(3,7,11,15,\ldots\)?
Explanation opens after your attempt
C. (59)
Concept
(a_n=3+(n-1)4), so (a_{15}=3+14(4)=59). Up to the (15)th term, (14) differences are used.
Why this answer is correct
The correct answer is C. (59). (a_n=3+(n-1)4), so (a_{15}=3+14(4)=59). Up to the (15)th term, (14) differences are used.
Exam Tip
(a_n=3+(n-1)4), इसलिए (a_{15}=3+14(4)=59)। (15)वें पद तक (14) अंतर लगते हैं।
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