The function
... f(x) = (x+2)/(x-1) = 1 + 3/(x-1)
is symmetrical about the line y=x, hence is its own inverse.
We can evaluate the desired derivative directly.
... f'(x) -3/(x-1)²
so f'(2) is
... f'(2) = -3/(2-1)²
PQ is bisected at point R by MN. Which of the following I true about point R.
2 answers:
Answer:
C. R is the midpoint of PQ.
Step-by-step explanation:
Given that segment PQ is bisected at point R by MN.
It means PQ is divided into two parts at point R by the segment MN.
That is, PR = RQ
Hence, R is the midpoint of PQ.
It is not given that the segment MN is bisected by PQ.
So, R need not be the midpoint of MN.
Please refer to the attached figure for better understanding.
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