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Grade: 12 
        
Evaluate :-----    lim   3 sin x - sin 3x 
                         x→0             x3.               Pls post the answer as soon as possible . THANK YOU......                                                                                                                     
3 years ago

Answers : (1)

Vikas TU
11138 Points 
							
Just write the expansion series .i.e. expand the summation series for sinx and sin3x both
up to the power of 3 of x variable.
and the denominator x^3 would get cancel out.
Then after put x as 0 limit in the whole eqn.
3 years ago
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