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Find the value of (5x^6)xx\ (-1. 5 x^2y^...

Find the value of `(5x^6)xx\ (-1. 5 x^2y^3)xx(-12 x y^2)\ ` when`\ x=1, y=0. 5.`

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`(5x^6)xx\ (-1. 5 x^2y^3)xx(-12 x y^2)\ `
`(5xx1.5xx12)xxx^(9)xxy^5`
`when x=1,y=0.5`, then
`90xx1xx0.031`
`= 2.79`
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