Question

if x= -1 , y=1 and z = -2 find the value of the following if x ^3-y^3+z^3​

Answer 1

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★ If x = -1 , y = 1 and z = -2 ,

Find the value of ${x}^{3}-{y}^{3}+{z}^{3}$

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Substitute the values in the given equation..

$\implies{( - 1)}^{3} - {(1)}^{3} + {( - 2)}^{3} \\ \\ \implies \: - 1 - 1 - 8 \\ \\ \implies( - 10)$

so,

answer is -10

Answer 2

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$\textit{Hope this helps you}$