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Liula [17]
3 years ago
12

Brainliest to first answer

Mathematics
1 answer:
a_sh-v [17]3 years ago
8 0

Answer:

7 ÷ 3/9 = 7 x 9/3 = (7x9)/3 = 63/3 = 21

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If a quadratic equation has 4-i as a solution, what must the other solution be?
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Answer:

4+i

Step-by-step explanation:

A complex number usually took the form a+bi where a and b are real numbers and 'i' represents an imaginary number. For a quadratic equation, the complex roots for the root of a quadratic equation took the form known as complex conjugates. The complex conjugates are formed by changing the sign of the imaginary part.

SO, if a quadratic equation has 4-i as a solution, the other solution must be 4+i.

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