5+3√2/5-3√2=a+b√2 find a and b
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Step-by-step explanation:
(5+3√2)/5-3√2)*(5+3√2)/5+3√2)
=(25+18+30√2)/(25-18)
=(43+30√2)/7
=43/7+30/7*√2=a+b√2
on comparison we get
a=43/7 and b=30/7
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