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Calculus Level 2

What is

lim ⁡ x → 0 2 sin ⁡ x − sin ⁡ 2 x x − sin ⁡ x \lim _{ x\rightarrow 0 }{ \frac { 2\sin { x } -\sin { 2x } }{ x-\sin { x } } }


The answer is 6.

Joel Yip by Joel Yip , 21, Singapore

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2 solutions

Harsh Soni
Feb 21, 2015

Use L'HOSPI.... 4 Times----:-)

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Rajen Kapur
Feb 21, 2015

As a first approximation, put Sin x = x - x^3/3!

0 Helpful 0 Interesting 0 Brilliant 0 Confused

good but not accurate

Joel Yip - 6 years, 3 months ago

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