If pqr= 1 show that 1/(1+p+q^-1)+1/(1+q+r^-1)+1/(1+r+p^-1) = 1.
2 answers:
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Answer:
Option D, 1
Step-by-step explanation:
<u>Step 1: Determine what x1, x2, y1, y2 are</u>
Slope =
(x1, y1) is (2, 8)
(x2, y2) is (6, 12)
<u>Step 2: Plug into the formula to get the slope</u>
Slope =
Slope =
Slope =
<em>Slope = 1</em>
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Answer: Option D, 1