Q 6. If a = a=1/2-√3 and b = 1/2+√3 then find a^2+ab+b^2 .
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Answer:
(1/2+√3)²+(1/2-√3)²-14(1/2+√3)(1/2-√3)
=1/4+3+√3+1/4+3-√3-14(1/4-3)
=1/2+6-7/2+42
=48-3
=45
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