逆 sqrt(x+3)

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

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≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
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ラプラス変換 cos²(t)

Solution

12s +s2(s²+4)

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Solution steps

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L{cos²(t)}

次の恒等を使用する: cos²(x)=12 +cos(2x)12

=L{12 +cos(2t)12 }

ラプラス変形の線形性を使用する:
関数 f(t), g(t) と定数 a, b: L{a·f(t)+b·g(t)}=a·L{f(t)}+b·L{g(t)}

=L{12 }+12 L{cos(2t)}

L{12 }: 12s

L{cos(2t)}: ss²+4

=12s +12 · ss²+4

改良 12s +12 · ss²+4 : 12s +s2(s²+4)

=12s +s2(s²+4)

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逆ラプラス cos²(t)

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

逆 sqrt(x+3)

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Solution steps

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