book
Maths Puzzle
Numerical Ability
Solve the following systems of equations using the augmented matrix.
3. x-y+3z=-1
2x+y-z=0
3x-4y+z=1
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book Other Question
find the domain and range of the function
f(x)= xsquared-x
well i got a packet and the question was to do this
Graph:
y=xsquared+x+2