exam Maths Puzzle Numerical Ability

simplify

x^2+2x+1/3 / x^2-1/x

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exam Other Question

How do you find a general formula for matrices? For example in terms of n, finda general expression for matrix Q.
Q = [[3 1
1 3]]

{{{ Q^2 }}} = [[10 6 What is equal to csc of theta