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Mathematics
31.01.2022 02:44
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\sqrt{2x+1} = 2+\sqrt{x-3}

\sqrt{2x+1} = 2+\sqrt{x-3}
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MIC620
MIC620
4,7(11 marks)

Square both sides

√(2x+1)=2+√(x-3)

or, 2x+1=(2+√(x-3))²

solving it you'll get two values of x, which are,

x = 4 and x = 12

Messidapro2687
Messidapro2687
4,5(55 marks)

(1) 30 + 22i

Step-by-step explanation:

x = 3 + 7i β‡’ 2x = 6 + 14i

y = - 6 - 2i β‡’ 4y = - 24 - 8i

2x - 8y = ( 6 + 14i ) - ( - 24 - 8i ) = 6 + 14i + 24 + 8i = (6 + 24) + (14i + 8i )

2x - 8y = 30 + 22i

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