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ASHA 777 [7]
3 years ago
13

Solve a²b³-(ab)² if a=-2 and b=3​

Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Answer:

The answer is 72.

Step-by-step explanation:

You have to put in the values of a and b into the expressions :

{a}^{2}  {b}^{3} -  {(ab)}^{2}

let \: a \:  =  - 2 \\ let \: b = 3

{( - 2)}^{2} \times   {(3)}^{3}  -  {( - 2 \times 3)}^{2}

= 4 \times 27 -  { (- 6)}^{2}

= 108 - 36

= 72

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