find the multiplicative inverse of Z
z=4-3i
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Answer:
z = 4 - 3i
multiplication inverse = 1/4 - 3i
multiplying by conjugate,
= 1 × 4 + 3i / 4 - 3i × 4 + 3i
= 4 + 3i / 4² - 3i²
= 4 + 3i / 16 + 3....( i² = -1)
= 4 + 3i / 19
= 4/19 + 3i/19
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