IIT JEE 1983 Maths - MCQ Question 11

Calculus Level 3

If f ( a ) = 2 f(a)=2 , f ′ ( a ) = 1 f'(a)=1 , g ( a ) = − 1 g(a)=-1 , g ′ ( a ) = 2 g'(a)=2 , then find lim ⁡ x → a g ( x ) f ( a ) − g ( a ) f ( x ) x − a . \lim_{x\to a}\frac{g(x)f(a)-g(a)f(x)}{x-a} .

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5 5 − 5 -5 1 5 \frac15 None of the others

Shubhamkar Ayare by Shubhamkar Ayare , 22, India

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1 solution

Prince Loomba
Jan 20, 2017

Apply LH rule and substitute x=a and put the values to get answer.

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