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kotykmax [81]
3 years ago
13

Which complex number is equivalent to the given expression (2+I)(8-3i)-(23+34i)

Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer: -4 - 32i                  

i just took this test

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Keywords

triangle,perimeter,distance, length, side, points

we know that

The <u>perimeter</u> of a<u> triangle</u> is the sum of the three <u>length</u> <u>side</u>

To find the<u> length</u> <u>side</u> calculate the <u>distance</u> between two <u>points</u>

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d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}


Step 1

Find the <u>distance</u> ZY

Z(1,0)\\Y(3,1)  

substitute the values


d=\sqrt{(1-0)^{2}+(3-1)^{2}}


dZY=\sqrt{5}\ units


Step 2

Find the <u>distance</u> XY

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substitute the values


d=\sqrt{(1-4)^{2}+(3+1)^{2}}


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Find the <u>perimeter</u> of the <u>triangle</u>

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we have

dZX=2\sqrt{5}\ units


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P=(2\sqrt{5}+\sqrt{5}+5)\ units

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P=(3\sqrt{5}+5)\ units

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