Wb Jee
Limits Continuity And Differentiability
WB JEE 2010
SUBJECTIVE+2 / -02010
If f(a) = 2, f'(a) = 1, g(a) = \(-\)1 and g'(a) = 2, find the value of \(\mathop {\lim }\limits_{x \to a} {{g(x)f(a) - g(a)f(x)} \over {x - a}}\).
Wb Jee
WB JEE 2010
If f(a) = 2, f'(a) = 1, g(a) = \(-\)1 and g'(a) = 2, find the value of \(\mathop {\lim }\limits_{x \to a} {{g(x)f(a) - g(a)f(x)} \over {x - a}}\).