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Evaluate (27a)2b\left( \frac { 2 } { 7 } a \right) ^ { 2 } - b

Question 98

Multiple Choice

Evaluate (27a) 2b\left( \frac { 2 } { 7 } a \right) ^ { 2 } - b for a=7a = - 7 and b=12b = - \frac { 1 } { 2 }


A) 2710- \frac { 27 } { 10 }
B) 92\frac { 9 } { 2 }
C) 2720\frac { 27 } { 20 }
D) 4013\frac { 40 } { 13 }

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