The dimensions of a hall are 20m×15m×8m. Find the cost of white washing it's walls and ceiling at the rate of rupees 20per 10m^2
1 answer:
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SOLUTION
From the question, the center of the hyperbola is
a is the distance between the center to vertex, which is -1 or 1, and
c is the distance between the center to foci, which is -2 or 2.
b is given as
But equation of a hyperbola is given as
Substituting the values of a, b, h and k, we have
Hence the answer is