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 :D
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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 :D
Quote:
Originally Posted by juliak
. Do I need to spell it out from here ....?
Hello, juliak!
Your work is correct . . . but it can be simplified.
Quote:
Find the general term ofwhere:
I got the answer of: .
however, the answer was this: .
We have: .
Got it?