exam
Maths Puzzle
Numerical Ability
Find the product of these two matrices
[1 4 1] }
[3 -6 2] }[4 1] the first two are part of the same matrix
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exam Other Question
factor:
8m^4n-16mn^4
in selecting a piece of angle iron for a certain applicatioin, you know that you must have no more cross-sectional area than 60 squared cm , else the angle iron will weigh too much