Inter 1st year Functions and Inverse Theorem explanation //Mathematics 1A (g°f)inverse = f -1°g -1

#what is inverse function
#Most important inverse theorem explained here
# • Inter 1st year Functio... ( Function definition and bisection theorem)
# • Inter 1st year Functio... ( p.t (g°f)-1 = f-1 ° g-1 )