अनुक्रम \(9,16,25,36,\ldots\) में (20)वाँ पद क्या है?
What is the (20)th term of the sequence \(9,16,25,36,\ldots\)?
Explanation opens after your attempt
D. (484)
Concept
This is \(3^2,4^2,5^2,\ldots\), so the (20)th term is \(22^2=484\). Exam tip: track how the index shifts.
Why this answer is correct
The correct answer is D. (484). This is \(3^2,4^2,5^2,\ldots\), so the (20)th term is \(22^2=484\). Exam tip: track how the index shifts.
Exam Tip
यह \(3^2,4^2,5^2,\ldots\) है इसलिए (20)वाँ पद \(22^2=484\) होगा। शुरुआती संख्या से सूचकांक का संबंध ध्यान रखें।
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