Q. hmm^-^
8! + 9!
8! + 5!
8! + 9!
8! + 5!
8! + 9!
( 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 ) + ( 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)
40.320 + 362.880
= 403.200
8! + 5!
( 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 ) + ( 5 x 4 x 3 x 2 x 1
40.320 + 120
= 40.440
1. 8! + 9!
= (8 × 7 × 6 × 5 × 4 × 3 × 2) + (9 × 8 × 7 × 6 × 5 × 4 × 3 × 2)
= 6.720 × 3 × 2 + 60.480 × 3 × 2
= 403.200
2. 8! + 5!
= (8 × 7 × 6 × 5 × 4 × 3 × 2) + (5 × 4 × 3 × 2)
= 20.160 × 2 + 120
= 40.440
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