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15-09-2020
Mathematics

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if 2= (1+ r)^7 solve the equation for r?

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thandiwenyirenda16 thandiwenyirenda16

16-09-2020

Answer:

r= ^7√2-1

Step-by-step explanation:

2=(1+r)^7

2=1^7 +r^7 ( 1 to the power anything is 1)

2=1+r^7

1+r^7=2

r^7=2-1

7^√r^7= ^7√2-1

r= ^7√2-1

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