A5= 24 r=2 Find A1. hmmmm..I'm not sure how to do this one. I was absent the day we learned this in class. Thanks in advance.
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$\displaystyle a_n = a_1 r^{n - 1}$
24=A1(1) ....uuuhh.... ? I'm going off of memory here from my algebra class last year. I was absent the day this was taught in class, so I have no notes, and the textbook doesn't go over this.
OH NO. It would be this: 24=A1(16), then solve for A1. yeeeeeeeees?
Originally Posted by beetz OH NO. It would be this: 24=A1(16), then solve for A1. yeeeeeeeees? yes
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