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(2a+3b)^2 = 20 a.b=1 4a^2+9b^2=?

PLS FAST ANSWER

(2a+3b)^2 = 20 a.b=1 4a^2+9b^2=? PLS FAST ANSWER-example-1

1 Answer

3 votes

Answer:8

Step-by-step explan:

(a.b)^2 equals a^2 + 2ab + b^2

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