Expand : ((1)/(2)x + (1)/(3)y)((1)/(2)x - (1)/(3)y) – InterviewSolution

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1.	Expand : ((1)/(2)x + (1)/(3)y)((1)/(2)x - (1)/(3)y)
Answer» ANSWER :`(1)/(4)x^(2) - (1)/(9)y^(2)`

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