exam
Maths Puzzle
Numerical Ability
rationalize the denominators: Can you explain how to do this? What steps to follow?
5 sqrt 2 - sq rt 5 (numerator)
5 sqrt 2 + sq rt 5 (denominator)
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exam Other Question
Solve the system of equations.
2x + y = 0
x - 3y + z = 0
3x + y - z = 0
Please help with the following:
Let A= 2 -1
4 3
B= [3 1]
Perform the following operations if possible:
a. 4BA
b. B^2
c. A+2B
Am I right in the possiblity that a and c are not possible?