Question

If a=root under 3-root under 2/ root under 3+root under 2 and b= root under 3+root under 2/ root under 3-root under 2, find the value of a2 + b2 - 5ab​

Answer 1

a= 5-2√6 ( detailed solution  1st attachment )

b=5+2√69 9(detailed solution in 2nd attachment

ab=1

5ab=5

(5-2√6)^2+(5+2√6)^2-5

25+24-20√6+25+24+20√6-5

98-5

==>93 answer

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