도메인 -5x+e^x

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

simplify prove identity periodicity amplitude

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Steps Examples

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경사지 y=3√x

Solution

−32x³²

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Solution steps

One step at a time

1−xπ , [−π, π]

푸리에 시리즈

푸리에 급수 함수 f(x) 간격을 두고 −L≤ x≤ L 로 정의된다:
     f(x)=A₀+∑_n=1^∞A_n· cos(nπxL )+∑_n=1^∞B_n· sin(nπxL )
어디에
     A₀=12L · ∫_−L^Lf(x)dx
     A_n=1L · ∫_−L^Lf(x)cos(nπxL )dx,      n>0
     B_n=1L · ∫_−L^Lf(x)sin(nπxL )dx,      n>0

푸리에 공식 적용

=12π · ∫_−π^π(1−xπ )dx+∑_n=1^∞1π · ∫_−π^π(1−xπ )cos(nπxπ )dx· cos(nπxπ )+∑_n=1^∞1π · ∫_−π^π(1−xπ )sin(nπxπ )dx· sin(nπxπ )

적분 해결