Math, asked by revathyvelmurugan7, 11 hours ago

explain <iii> friens pls

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Answered by kishorigandhi51

0

Step-by-step explanation:

by expanding 7! you get

7*6*5*4*3!

and you also have 3! in denominators

so from numerator and denominator you can cut 3!

remaining will me 7*6*5*4/1=840

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