कौन सा विस्तार (9!) का सही विस्तार शुरू करता है?
Which expansion correctly starts (9!)?
Explanation opens after your attempt
Correct Answer
A. \(9\times8\times7\times\cdots\times1\)
Concept
In (9!), numbers from (9) down to (1) are multiplied. Factorial does not use addition or subtraction.
Why this answer is correct
The correct answer is A. \(9\times8\times7\times\cdots\times1\). In (9!), numbers from (9) down to (1) are multiplied. Factorial does not use addition or subtraction.
Exam Tip
(9!) में (9) से (1) तक गुणा होता है। क्रमगुणित में जोड़ या घटाव नहीं होता।
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