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Let a, b, c be complex such that ab+bc+ca=12,(a+b+c)=2,abc=4 then the value of 1ab+c−1+1bc+a−1+1ac+b−1 is |
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Answer» Let a, b, c be complex such that ab+bc+ca=12,(a+b+c)=2,abc=4 then the value of 1ab+c−1+1bc+a−1+1ac+b−1 is |
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