Step-by-step explanation:
1.is15
C(6,4)
C=6!/4!(6-4)
=6x5x4x3x2x1÷4x3x2x1x2x1
=720÷48
=15
2.r is 3
C(6,3)
C=6!/3!(6-3)
=6x5x4x3x2x1/3x2x1x3x2x1
=720÷36
=20
Sana makatulong
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Answers & Comments
Step-by-step explanation:
1.is15
C(6,4)
C=6!/4!(6-4)
=6x5x4x3x2x1÷4x3x2x1x2x1
=720÷48
=15
2.r is 3
C(6,3)
C=6!/3!(6-3)
=6x5x4x3x2x1/3x2x1x3x2x1
=720÷36
=20
Sana makatulong