Respostas
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1
(4a/3 - 3b/5)²
[ (4a/3)² - 2 * (4a/3) * (3b/5) + ( 3b/5)² ] =
16a²/9 - 24ab/15 + 9b²/25 ***
2
( 7m/2 + 3y/4)²
[ (7m/2)² + 2 * (7m/2) * ( 3y/4) + ( 3y/4)² ] =
49m²/4 + 42my/8 + 9y²/16 ****
[ (4a/3)² - 2 * (4a/3) * (3b/5) + ( 3b/5)² ] =
16a²/9 - 24ab/15 + 9b²/25 ***
2
( 7m/2 + 3y/4)²
[ (7m/2)² + 2 * (7m/2) * ( 3y/4) + ( 3y/4)² ] =
49m²/4 + 42my/8 + 9y²/16 ****
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