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How to solve this question and what is the due process?
we have L= lim x tends to 7- (3x – 8)*f(x)/|x – 7|L= 13*lim x tends to 7- f(x)/|x – 7|as x approaches 7 from left side, so x is less than 7.L= 13*lim x tends to 7- f(x)/(7 – x)= – 13*lim x tends to 7- [f(x) – f(7)]/(x – 7)........ because f(7)= 0= – 13*f’(7) …...... by the definition of derivative at a point a.= – 13*slope of f(x) at x= 7= – 13*1.......as the graph is a st line in the region x belongs to [6, 8].= – 13kindly approve :=)
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