Find the product using suitable property. 84 X 9 Please explain in de – InterviewSolution

1.	Find the product using suitable property. 84 X 9 Please explain in detail
Answer» PLAINING YOU BIT YOUARK BRAINLIST = 84 x 9=3 x 7 X4 x3 x3= 27x 28 = ( 27.5-0.5) ( 27.5+ 0.5) = 27.5^2 - 0.5^2

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