1/8+5√2 rationalize the denominator
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1/(8+5√2)
multiply and divide by 8-5√2
(8-5√2)/(8+5√2)(8-5√2)
(8-5√2)/(64-50)
8-5√2/14
hence 4/7 – (5√2)/14 is the answer
multiply and divide by 8-5√2
(8-5√2)/(8+5√2)(8-5√2)
(8-5√2)/(64-50)
8-5√2/14
hence 4/7 – (5√2)/14 is the answer
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