exam
Maths Puzzle
Numerical Ability
Solve the equation:
3(x-0.87) -2x = 4.98
What I got:
3x-2.61-2x = 4.98
1x-2.61 = 4.98
1x-2.61+2.61 = 4.98+2.61
1x = 7.59
1x/1 = 7.59/1
x = 7.59
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exam Other Question
Not sure if I did this right...
√-3 - √-75
I came up with √3i - 5√3i
Thanks!
how do you do partial fraction decomposition?? Like on a problem such as: 1/(x^2+x)???