exam Maths Puzzle Numerical Ability

Express as a polynomial : (x-a)[x^2-ax/x].

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exam Other Question

x - y = -5
x + 2y = -4
Critical threshold: One equation of change that arises in the study of epidemics is dN over dt=-rN (1-N over T)

Here r and T are positive constants, and T is called the thr