Пусть а =√8, тогда а⁴ = 8·8 = 64
1/4 a⁴ = 1/4 · 64 = 64:4 = 16
a = √8
1/4a⁴ = 1/4 *( √8 )⁴ = 1/4 *(( √8 )²)² = 1/4 * 8 ² = 1/4 * 64 = 64/4 = 16
Пусть а =√8, тогда а⁴ = 8·8 = 64
1/4 a⁴ = 1/4 · 64 = 64:4 = 16
a = √8
1/4a⁴ = 1/4 *( √8 )⁴ = 1/4 *(( √8 )²)² = 1/4 * 8 ² = 1/4 * 64 = 64/4 = 16