Express the following in the form x + y2 with x and y rational numbers: (a) (7

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Express the following in the form x + y√2 with x and y rational numbers:

(a) (7 + 5√2)3 

(b) (2 + √2)4

(c) 3√(7 + 5√2) 

(d) √(11/2 – 3√2)

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