if 5+√7/5-√7 + 5-√7/5+√7 = a+b√7 find the values of a and b
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Step-by-step explanation:
rationalisation
5+√7(5-√7/5-√7(5-√7)=25-7/25+7-10√7
18/32-10√7
5-√7(5+√7)/5+√7(5+√7)= 25-7/25+7+10√7
18/32+10√7
18/32-10√7+18/32+10√7
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