(2a+3b)^2 = 20 a. b=1 4a^2+9b^2=?
pls fast answer
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Mathematics, 04.02.2020 21:58 naomicervero
(2a+3b)^2 = 20 a. b=1 4a^2+9b^2=?
pls fast answer
Answers: 3
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