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08-07-2019
Mathematics

contestada

What is the conjugate?

1.) √8- √9
2.) 2x^2+ √3
3.)a- √a-1
4.) √X+2 √b

Respuesta :

13-07-2019

Step-by-step explanation:

[tex]\text{A conjugate of}\ a+b\ \text{is}\ a-b.\\\\1)\ \sqrt8-\sqrt9\to\sqrt8+\sqrt9\\\\2)\ 2x^2+\sqrt3\to2x^2-\sqrt3\\\\3)\ a-\sqrt{a-1}\to a+\sqrt{a-1}\\\\4)\ \sqrt{x}+2\sqrt{b}\to\sqrt{x}-2\sqrt{b}[/tex]

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