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7!, 8!, 9! എന്നിവയുടെ ഉസാഘ. എന്ത്?

A9!

B8!

C7!

D6!

Answer:

C. 7!

Read Explanation:

n!, (n-1)!, (n-2) എന്നിവയുടെ ഉസാഘ (n-2)! ആയിരിക്കും.


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