In a question: Find the general term of Un which has U3 = 16 and U8=512 --> I got the answer of Un=4*2^n-1 which is correct, however, the answer was this: Un=4*2^n-1(=2^n+1) What does (=2^n+1) mean and where did they get it from? Thank you
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Originally Posted by juliak In a question: Find the general term of Un which has U3 = 16 and U8=512 --> I got the answer of Un=4*2^n-1 which is correct, however, the answer was this: Un=4*2^n-1(=2^n+1) What does (=2^n+1) mean and where did they get it from? Thank you . Do I need to spell it out from here ....?
Hello, juliak! Your work is correct . . . but it can be simplified. Find the general term of where: I got the answer of: . however, the answer was this: . We have: . Got it?
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