exam Maths Puzzle Numerical Ability

what is the argument of;(1+i)(root3+i)

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exam Other Question

eric has plenty of 0's, 1's, 3's, 4's, 5's, 6's, 7's, 8's and 9's but he has only twenty-two 2's. HOw far can he number the pages of his scrapbook with these digits? x+1/x+2+1/x / x/x+2=1/x^2