exam Maths Puzzle Numerical Ability

Multiply
(2+5i)(2+3i)
(3-4i)^2

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The break even values for a profit model are the values for which you earn $0 in profit. Use the equation you created in question one p=-x+62 to solve P = 0, and find your break ev The banker's dilemma. a man decide to deposit some of his money in a local bank. He decide to present a challenge to the banker and his staff. He brought to the bank a sum of money