exam Maths Puzzle Numerical Ability

Please help me solve the equation and put it in standard form:
(the sqare root of 2 over 2 + the square root of two over two 'i')to the forth power

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exam Other Question

when a smaller number is subtracted from a larger number, the difference is 34. if the larger number is 30 less than 3 times the smaller number, what are the two numbers? Use the Distance Formula to decide whether PQ = QR.

P (4,-4)
Q (1,-6)
R (-1,-3)