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b) 3 * ∛8/27 - 2 * √1/16 + 3∛64/27 = 3* 2/3 - 2* 1/4 + 3* 4/3 =
6/3 - 2/4 + 12/3 = 2 - 1/2 +4 = 5 i 1/2
=¼ + (-3/2)² + (-5/2)²=
= ¼ + 9/4 + 25/4 =
=35/4 =
=8 i 3/4
b) 3 * ∛8/27 - 2 * √1/16 + 3∛64/27 =
= 3* 2/3 - 2* 1/4 + 3* 4/3 =
6/3 - 2/4 + 12/3 =
=2 - 1/2 +4 =
= 5 i 1/2