book Maths Puzzle Numerical Ability

Solve the logarithmic equation. Round the result to the three decimal places if necessary.

-5 + 2 ln x = 5

Read Solution (Total 0)

book Other Question

can someone solve for T please
T=6.23*10^8/yz if y=3.8*10^4 and z=2.57*10^3
MY ANSWER but i dont think its right T=6.37927503583862 I would appreciate your help in simplifying the following:

sqrt(5)+3i/1-i

The answer need to be in the form a + b, where a and b are real numbers.

I'm coming up with a den