shifting to polar..
3+i= sqrt10 @arctan(1/3) on the complex plane
and that is
100sqrt10 @92.17 deg
converting back to complex plane
real+ imag where
Expand ln(1+x) and ln(1-x) and hence deduce that ln((y+1)/(y-1))=[2/y]+[2/(3(y^3))]+[2/(5(y^5))]+[2/(7(y^7))]. State the range of values of y for which the expansion is valid. Hence calculate ln(101) correct to 4 significant
Hello DrBob222 Regarding the answer you gave me thank you very much. However when you expand the denominator, I don't get -0.14 but I get -0.28. I get that because when I first expand I get 0.0049 - 0.14x - 0.14x + 4x^2. So when I