exam Maths Puzzle Numerical Ability

( radical 2 + radical 3) ( radical 3 + radical 2)

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exam Other Question

how would i graph this funtion?

f(x)= x+6, if x< or equal to -3

-2/3x-3, if x > - 3
If A is a square matrix with the property (A with an exponet of 2) = 0, show that (I - A)inverse = A + I.


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