Giải tích trong không gian

A

akaaki

B

badboy_a5

Minh` chau giai n cach nay chac dung ne`
dau tien ban tim toa do M va N theo cach nay cco M thuoc (P) nen tdo diem M co dang M(x,5-x,0)
tg tu vs diem N(0,y,-3-y)vi A la trung diem M N nên tim dc toa do M,N
sau do goi pt d can tm co danh ax+by+cz+d=0
A,M,N thuoc d dc 3 pt
vs ca? VTPT cua d vuong goc vs VTCP cua gt (P) ne ndc 1 pt nua
giai chac la ra
good luck!!!!
 
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