exam
Maths Puzzle
Numerical Ability
How do I simplify:
3 over 4 over 4 over 5 3/4/4/5?? I really need someones help with this. Thanks
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exam Other Question
Hi!
I have a question about solving systems using inverse matrix.
(x) (-2 1) (8) (-10)
(y) STEP1 = (3/2 -1/2) (6) STEP2 = ( 9) STEP3
How to get from step 2 to step 3?
Thanks!
Anna
1/a+1/2=2/a