How do you solve #9/c^2-1/4c=2/c#?

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Answer 1 · 2018-05-27T11:03:32

#c=2.51396#

#9/c^2-c/4=2/c#

Multiplying by #c^2# both sides, we get,

#9-c^3/4=2c#

#36-c^3=8c#

Drawing the graph of the above cubic equation, we get,

graph{x^3+8x-36 [-8.89, 8.89, -4.44, 4.45]}

#c=2.51396#