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Start the plan\((x+3y)^2=\)
A. \(x^2+3y^2\)
B. \(x^2+9y^2\)
C. \(x^2+3xy+3y^2\)
D. \(x^2+3xy+9y^2\)
E. \(x^2+6xy+9y^2\)
Answer: E
Source: GMAT Paper Tests
A. \(x^2+3y^2\)
B. \(x^2+9y^2\)
C. \(x^2+3xy+3y^2\)
D. \(x^2+3xy+9y^2\)
E. \(x^2+6xy+9y^2\)
Answer: E
Source: GMAT Paper Tests
