Question

Find the square of 3+2 √5

Answer 1

Answer:

3+2 √5*3+2 √5

Step-by-step explanation:

9+20

Answer 2

Answer:

$(3 + 2 \sqrt{5} ) ^{2} = 9 + 2 \times 3 + 2 \sqrt{5} + 4 \times 5 = 35 + 2 \sqrt{5}$