2x3-180 that's suppose to be right
I hope
Answer:
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Step-by-step explanation:
Search up the formula on safaris it really easy jk it’s c2/ 4 pi
Distribute the 3a^n to all the other values then solve...
(3a^n*a^n)+(3a^n*a^n)+(3a^n*-1)
4a^2n+4a^2n-3a^n=
8a^2n-3a^n