Nico is saving money for his college education. He invests some money at 8%, and $1400 less than that amount at 7%. The investme
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Answer: C.
Step-by-step explanation:
1. You have the following division:
(As you can see, to find the conjugate of 4-3i you must change the sign between the terms).
2. To solve this division, you must multiply the numerator and the denominator by the conjugate of the denominator, as following:
3. Keeping on mind that , you have:
4. Simplifying:
5. The result is: