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Sep
24
awarded  Autobiographer
Nov
29
comment Nspire CAS spitting out a wrong answer?
Wolfram alpha tells you the same - if you check the footer, it defines log as the natural logarithm, i.e. ln. (Still a funny way to write it) Then: 3log(x+1) + log(2x+3) = log((x+1)^3) + log(2x+3) = log((x+1)^3(2x+3)
Jan
12
awarded  Supporter
Dec
16
awarded  Teacher
Dec
16
comment How to calculate the coordinates of the middle point of a given arc?
@Michael - indeed you are right.
Dec
15
answered How to calculate the coordinates of the middle point of a given arc?