क्रम \(108,99,90,\ldots\) के (n)वें पद का सही नियम कौन सा है?
Which is the correct rule for the (n)th term of \(108,99,90,\ldots\)?
Explanation opens after your attempt
A. \(a_n=117-9n\)
Concept
Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.
Why this answer is correct
The correct answer is A. \(a_n=117-9n\). Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.
Exam Tip
(n=1) रखने पर (117-9=108) मिलता है। यह हर बार (9) घटाने वाला नियम है।
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