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(2a+3b)^2 = 20 a.b=1 4a^2+9b^2=? PLS FAST ANSWER
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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
User Rajneesh Shukla
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3 votes

Answer:8

Step-by-step explan:

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

User Puchu
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