3 years ago

Find the square of 2m^2 - 2/3n^2

Mathematics

1 answer:

9966 [12]3 years ago

3 0

Answer:

4m^4 - 8/3m^2 n^2 + 4/9n^4

Step-by-step explanation:

(2m^2 - 2/3n^2)(2m^2 - 2/3n^2)

= 2m^2(2m^2 - 2/3n^2) - 2/3n^2(2m^2 - 2/3n^2)

= 4m^4 - 4/3m^2 n^2 - 4/3m^2n^2 + 4/9n^4

= 4m^4 - 8/3m^2 n^2 + 4/9n^4

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Step-by-step explanation:

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