Question

Evaluate(2a+b)^2




Pls tell me the answer​

Answer 1

Step-by-step explanation:

(2a)"2+b2+4ab

4a2+b2+4ab

Answer 2

Answer:

4a²+b²+4ab

Step-by-step explanation:

Let x=2a and y=b

$(x + y) {}^{2} = {x}^{2} + {y}^{2} + 2xy \\ = (2a) {}^{2} + {b}^{2} + 2 \times 2a \times b \\ = 4a {}^{2} + b {}^{2} + 4ab$

Hope this will help you!!!!!