[tex] \sf \frac{99!}{97!} [/tex] = …
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Jwbn :
[tex]\sf \frac{99!}{97!} = [/tex]
[tex]\sf = \frac{99 \times 98 \times {\cancel{97!}}}{{\cancel{97!}}} [/tex]
[tex]\sf = 99 \times 98[/tex]
[tex]\bf = 9.702[/tex]
Jwb :
[tex]= \sf \frac{99!}{97!} [/tex]
[tex]= \sf \frac{99 \times 98 \times \cancel{97 \times ... \times 3 \times 2 \times 1}}{\cancel{97 \times ... \times 3 \times 2 \times 1}} [/tex]
[tex]= \sf 99 \times 98 [/tex]
[tex]= \sf 9.702 [/tex]
