exam
Maths Puzzle
Numerical Ability
I need help
Find the inverse of each the following matrices. A using the cofactor expansion
A=-1 3 -4
...2 4 1
...-4 2 -9
and A=0 0 2 0
......1 0 0 1
......0-1 3 0
.....
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exam Other Question
Tell wether the number is prime or composite,if it is composite write prime factorization.
5. 132
Any help wit this problem would be GREATLY appreciated:)
x/4+2/4= 7/2