Question

Let f (a) = g(a) = k and their nth derivatives fⁿ(a) , gⁿ(a) exist and are not equal for some n. Further if $\underset{x \rightarrow a}{lim} \frac{f(a)g(x)-g(a)f(x)+f(a)}{g(x)- f(x)} = 4$ then the value of k is
(a) 0
(b) 4
(c) 2
(d) 1

Answer 1

Hey mate

here ..

is your answer

option b

4

hope it's help uh

Answer 2

hey MATE here is the ANSWER c. 2