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31-03-2021
Mathematics

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6 permutation r equals to 30 evaluate 3 r+ 5 permutation 2 + r

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surjithayer10otahza surjithayer10otahza

31-03-2021

Answer:

Step-by-step explanation:

[tex]\frac{6!}{r!} =30\\6!=30 *r!\\6*5*4*3*2*1=30*r!\\r!=4!\\r=4\\[/tex]

3r+5=3(4)+5=17

2+r=2+4=6

17 P6=17*16*15*14*13*12=494,010, 316,800

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