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if f(x)= (Acosx + Bsinx - 5)/x^4 is continuous at x = 0 then find value of A and B.. I need the procedure pls...

if f(x)= (Acosx + Bsinx - 5)/x^4 is continuous at x = 0 then find value of A and B.. I need the procedure pls...

Grade:12

2 Answers

Abhinav Shresth
17 Points
8 years ago

the question given by you is wrong.
Bcoz  when lim x → 0, then f(x)→∞ 
you can check it by using expansion of sin and cos. 

shiddhant bhattacharya
25 Points
8 years ago

is A=5 and B=0?

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