Show that f(x) = (5x-3)/(7x-4) is invertible by f(a) = f (b) and solving : f(a)= (5a-3) / (7a-4) f(b)= (5b-3) / (7b-4) i.e solve : (5a-3) / (7a-4) = (5b-3)/(7b-4) And prove that a=b , therefore stating that it is invertible
Show that f(x) = (5x-3)/(7x-4) is invertible by f(a) = f (b) and solving : f(a)= (5a-3) / (7a-4) f(b)= (5b-3) / (7b-4) i.e solve : (5a-3) / (7a-4) = (5b-3)/(7b-4) And prove that a=b , therefore stating that it is invertible
Chapter4: Systems Of Linear Equations
Section4.6: Solve Systems Of Equations Using Determinants
Problem 279E: Explain the steps for solving a system of equations using Cramer’s rule.
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Show that f(x) = (5x-3)/(7x-4) is invertible
by f(a) = f (b) and solving :
f(a)= (5a-3) / (7a-4)
f(b)= (5b-3) / (7b-4)
i.e solve :
(5a-3) / (7a-4) = (5b-3)/(7b-4)
And prove that a=b , therefore stating that it is invertible
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