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Mathematics 11 Online
OpenStudy (anonymous):

2401^(2n)=343^(n+2)

myininaya (myininaya):

2401=7^4 343=7^3

myininaya (myininaya):

4(2n)=3(n+2) solve for n

myininaya (myininaya):

8n=3n+6 5n=6 n=6/5

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