exam
Maths Puzzle
Numerical Ability
(10+i)^2 / 4-i
thanks for the help!
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exam Other Question
solve the system
x^2+y^2=4
4x^2+9y^2=36
Use the echelon method to solve equation.
4x - y + 3z 5 -2
3x + 5y - z = 15
-2x + y + 4z = 14