August 2018 2 64 Report
Bayangan garis ax+by-ab=0 dengan a#0 dan b#0 oleh rotasi terhadap titik O(0,0) sebesar sudut 90 derajat searah jarum jam adalah..
A. ax+by-ab= 0
B. ax-by+ab= 0
C. ax+by+ab= 0
D. ay+bx-ab= 0
E. ay+bx+ab= 0

Tolong dibantu ya teman,, pakai cara ya

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