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3 years ago

1. -168 < -12a

Mathematics

2 answers:

kotegsom [21]3 years ago

6 0

Answer:

See step by step explanation

Step-by-step explanation:

1. a<14

2. m </ 25

3. n >/ 7

allsm [11]3 years ago

3 0

Answer: a < 14 m > 25 and n > 7

Step-by-step explanation:

Less than of equal to no just less than

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2 years ago

Divide.<br> a.1 − 2i/2i<br> b. 5 − 2i/5 + 2i<br> c.√3 − 2i/−2 − √3i

Umnica [9.8K]

Answer:

(a) \frac{-1i}{2}-1[/tex]

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Step-by-step explanation:

We have to perform division

(a) $\frac{1-2i}{2i}$

So after division

$\frac{1-2i}{2i}=\frac{1}{2i}-\frac{2i}{2i}=\frac{-1i}{2}-1$

(b) We have given expression $\frac{5-2i}{5+2i}$

After rationalizing $\frac{5-2i}{5+2i}\times \frac{5-2i}{5-2i}=\frac{(5-2i)^2}{25+4}=\frac{25+4i^2+20i}{29}=\frac{20i+21}{29}$

After rationalizing

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3 years ago