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intersecciones 3^x-1

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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`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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x²+y²=162, xy=81

Solution

(

`x`=9,	`y`=9
`x`=−9,	`y`=−9

)

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Solution steps

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[

x²+y²=162

xy=81

]

Despejar x para xy=81: x=81y ; y≠ 0

Sustituir las soluciones x=81y en x²+y²=162

Para x²+y²=162, sustituir x con 81y : y=9, y=−9

Sustituir las soluciones y=9, y=−9 en xy=81

Para xy=81, sustituir y con 9: x=9

Para xy=81, sustituir y con −9: x=−9

Verificar las soluciones sustituyéndolas en Equation0
Quitar las que no concuerden con la ecuación.

Por lo tanto, las soluciones finales para x²+y²=162, xy=81 son

(

`x`=9,	`y`=9
`x`=−9,	`y`=−9

)

Zero Exponent Rule Examples

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

intersecciones 3^x-1

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