(
a¹/² +
a¹/² ) *
a-b )⁴ ( a¹/⁴-b¹/⁴ a¹/⁴+b¹/⁴) 2a+2a¹/²b¹/²)1)
a¹/² +
a¹/² =
a¹/² (a¹/⁴+b¹/⁴) + a¹/² (a¹/⁴-b¹/⁴) = a¹/⁴-b¹/⁴ a¹/⁴+b¹/⁴ (a¹/⁴-b¹/⁴)(a¹/⁴+b¹/⁴)=
a¹/²(a¹/⁴+b¹/⁴+a¹/⁴-b¹/⁴) =
a¹/² * 2a¹/⁴ =
2 a²/⁴⁺¹/⁴ = (a¹/⁴-b¹/⁴)(a¹/⁴+b¹/⁴) (a¹/⁴-b¹/⁴)(a¹/⁴+b¹/⁴) (a¹/⁴-b¹/⁴)(a¹/⁴+b¹/⁴)=
2a³/⁴ =
2a³/⁴ (a¹/⁴)²-(b¹/⁴)² a¹/²-b¹/²2)
a-b =
(a¹/²-b¹/²)(a¹/²+b¹/²) =
a¹/²-b¹/² 2a+2a¹/²b¹/² 2a¹/²(a¹/²+b¹/²) 2a¹/²3)
2a³/⁴ *
a¹/²-b¹/² =a³/⁴⁻¹/² =a³/⁴⁻²/⁴=a¹/⁴ a¹/²-b¹/² 2a¹/² 4) (a¹/⁴)⁴=a¹=aОтвет: получится а.