\lim_{x \to \0} \frac{ x^{2} + sin^{2} 2x }{ x^{2} cos(2x)} [/tex] mohon bantuannya gan. ngomong ng.... Question from @hoaahm

October 2018 2 30 Report

\lim_{x \to \0} \frac{ x^{2} + sin^{2} 2x }{ x^{2} cos(2x)}
[/tex]

mohon bantuannya gan. ngomong ngomong itu limit x --> 0 ya hehe

izharulhaq78 $\displaystyle \displaystyle \lim_{x\to0}\frac{x^2+\sin^22x}{x^2\cos2x}=\lim_{x\to0}\frac{x^2}{x^2\cos2x}+\lim_{x\to0}\frac{\sin^22x}{x^2\cos2x}\\\lim_{x\to0}\frac{x^2+\sin^22x}{x^2\cos2x}=\lim_{x\to0}\frac{1}{\cos2x}+\lim_{x\to0}\frac{\sin2x\times\sin2x}{x^2\cos2x}\\\lim_{x\to0}\frac{x^2+\sin^22x}{x^2\cos2x}=\lim_{x\to0}\frac{1}{\cos2x}+\lim_{x\to0}\frac{2\times2}{\cos2x}\\\lim_{x\to0}\frac{x^2+\sin^22x}{x^2\cos2x}=\lim_{x\to0}\frac{1+4}{\cos2x}$

$\displaystyle \frac{5}{\cos2(0)}\\\frac{5}{\cos0}\\\frac{5}{1}\\\boxed{\boxed{5}}$

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hendrisyafa $\lim_{x \to 0} (\frac{ x^{2} }{ x^{2} cos2x}+ \frac{sin^{2}2x}{x^{2}cos2x})$

$= \lim_{x \to 0} \frac{ x^{2} }{ x^{2} cos2x}+ \lim_{x \to 0} \frac{sin^{2}2x}{x^{2}cos2x}$

$= \lim_{x \to 0} \frac{ 1}{ cos2x}+ \lim_{x \to 0} \frac{sin2x.sin2x}{x^{2}cos2x}$

$= \frac{ 1}{ cos(2.0)}+ \lim_{x \to 0} \frac{sin2x}{x}}. \frac{tg2x}{x}$

$= 1+ (2.2)$

$=5$

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Daerah D dibatasi oleh garis y = x dan kurva y =x^3. Volume benda putar yang terjadi jika D diputar terhadap sumbu X adalah

mohon bantuannya gan. ngomong ngomong itu limit x --> 0 ya hehe

Jika A + B + C = π, maka adalah

Cos (270) cos (135) - tan (135) --------------------------------------------- sin (150) cos 225

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