Question

The function f(x) = a/x + bx, f(2)= 1, has an extremum at x = 2. Determine the values
of a and b. Is this point (2,1), a point of maximum or minimum on the graph of f(c)?​

Answer 1

solve your first equation

then put the new answer in the second equation

after getting another answer

mark on map with 2 point