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Evaluate. (a−2b)3 when a=−2 and b=−12

Answer :

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[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]

let's evaluate :

  • [tex](a - 2b) {}^{3} [/tex]

  • [tex] \{ - 2 - (2 \times - 12) \}[/tex]

  • [tex] \{ - 2 - ( - 24)\}[/tex]

  • [tex] \{ - 2 + 24 \}[/tex]

  • [tex]22[/tex]

the required value is 22

Step-by-step explanation:

(a−2b)

3

\{ - 2 - (2 \times - 12) \}{−2−(2×−12)}

\{ - 2 - ( - 24)\}{−2−(−24)}

\{ - 2 + 24 \}{−2+24}

2222

the required value is 22

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