Page 22 - MEDIA UAS PRAKTIKUM APRIZAL_4192411003
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R -90 o berarti: x’ = y → y = x’
y’ = -x → x = -y’
disubstitusi ke: 2x - y + 6 = 0
2(-y’) - x’ + 6 = 0
-2y’ – x’ + 6 = 0
x’ + 2y’ – 6 = 0
Jadi bayangannya: x + y – 6 = 0
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