एक अनुक्रम में \(a_1=2\) है और क्रमागत अंतर \(3,7,11,15,\ldots\) हैं। \(a_5\) क्या होगा?
In a sequence, \(a_1=2\) and the successive differences are \(3,7,11,15,\ldots\). What will be \(a_5\)?
Explanation opens after your attempt
A. (38)
Concept
\(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.
Why this answer is correct
The correct answer is A. (38). \(a_5=2+3+7+11+15=38\). Exam tip: include the first term when adding differences.
Exam Tip
\(a_5=2+3+7+11+15=38\) है। अंतर जोड़ते समय पहला पद भी शामिल रखें।
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