exam
Maths Puzzle
Numerical Ability
The Colombia earthquake of 1906 had an intensity of I = 398,107,000. What did it measure on the Richter scale?
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exam Other Question
Find all solutions for x^2+x+6=0 with the answer in a+bi form.
First insert the solution with b<0 and then b>0
tan(4pi/3 - pi/4)