(2^½+2^½+2^½+2^½)² =
(2^½+2^½+2^½+2^½)²
= (2^1/2)² + (2^1/2)² + (2^1/2)² + (2^1/2)²
= 2 + 2 + 2 + 2
= 4 + 2 + 2
= 6 + 2
= 8
(2^½+2^½+2^½+2^½)² =
(2^½+2^½+2^½+2^½)²
= (2^1/2)² + (2^1/2)² + (2^1/2)² + (2^1/2)²
= 2 + 2 + 2 + 2
= 4 + 2 + 2
= 6 + 2
= 8