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Tom [10]
3 years ago
8

A rectangle has a length of 10 inches and a width of 8 inches

Mathematics
1 answer:
Serjik [45]3 years ago
3 0
I’m assuming you want to work out the area
area = length x width
area = 10 x 8
area = 80 inches^2
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According to the Complex Conjugate Root Theorem, if a+bi is a root of a quadratic equation, then __blank__ is also a root of the
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a-bi


Step-by-step explanation:

If a quadratic equation lx^2+mx+n=0 has one imaginary root as a+bi then the other root is the conjugate of a+bi = a-bi

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When -m/l is real because the ratio of two real numbers, left side also has to be real.

Since bi is one imaginary term already there other root should have -bi in it so that the sum becomes real.

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3 years ago
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96

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