Penjelasan dengan langkah-langkah:
a. z1 + z2 = (2 + 5i) + (3 + 4i)
= (2 + 3) + (5i + 4i)
= 5 + 9i
b. z1 -z2 = (2 + 5i) - (3 + 4i)
= (2 + 3) - (5i + 4i)
= 5 - 9i
c. z1 × z2 = (2 + 5i) × (3 + 4i)
= (2 + 3) × (5i + 4i)
= 5 × 9i
d. z1 : z2 = (2 + 5i) : (3 + 4i)
= (2 + 3) : (5i + 4i)
= 5 : 9i
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Penjelasan dengan langkah-langkah:
a. z1 + z2 = (2 + 5i) + (3 + 4i)
= (2 + 3) + (5i + 4i)
= 5 + 9i
b. z1 -z2 = (2 + 5i) - (3 + 4i)
= (2 + 3) - (5i + 4i)
= 5 - 9i
c. z1 × z2 = (2 + 5i) × (3 + 4i)
= (2 + 3) × (5i + 4i)
= 5 × 9i
d. z1 : z2 = (2 + 5i) : (3 + 4i)
= (2 + 3) : (5i + 4i)
= 5 : 9i