x= 2/4+5root 2 and y= 3/ 4 minus 5root 2 .. find x+y and x- y.?
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Answer:
Step-by-step explanation:
x=2/4+5 , y=3/4-5
x+y = 2/4+5 + 3/4-5
= 8-10√2+12+15√2 / 16- 50
= 20 + 5√2 / -34
= -5(4 + √2) / 34 = -5√2(2√2+1)/34
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