Question

(2 root 8 - 3 root 2 ) have power 2 ​

Answer 1

Answer:

2

Step-by-step explanation:

$(2 \sqrt{8} - 3 \sqrt{2} ) {} ^{2} \\ = {2 \sqrt{8} }^{2} - 2 \times 2 \sqrt{8} \times 3 \sqrt{2} + (3 \sqrt{2} ) {}^{2} \\ = 32 -48 + 18 \\ = 2$

use the formula (a-b)^2 =

a^2 -2ab + b^2

Answer 2

Answer:

this correct answer see this