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if for an AP A1,A2,A3....an.` A1+A3+A5=-12` and` A1*A2*A3=8.` Find the value of `A2+A4+A6.`
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0:04:56
if for an AP A1,A2,A3....an.` A1+A3+A5=-12` and` A1*A2*A3=8.` Find the value of `A2+A4+A6.`
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