12004.1.tieptuyendiquamotdiem(1)
DESCRIPTION
cunghoctoan.netTRANSCRIPT
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Phng trnh tip tuyn i qua mt im (1)
( )1 Vit phng trnh tip tuyn ca th hm s ( ) 3 23 2f x x x= + i qua ( )1; 2 .A
Tn:
Nhm:
Ngy:
Code 12004.1a
V d: Vit phng trnh tip tuyn ca th hm s i qua
Gi l ng thng i qua v c h s gc phng trnh c dng
ng thng tip xc vi th hm s khi h sau c nghim
Thay vo ta c
Vi Suy ra tip tuyn
Vi Suy ra tip tuyn
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( )2 Vit phng trnh tip tuyn ca th hm s ( )2 2 2
1x x
f xx+ +=+
i qua 5
1; .2
A
Code 12004.1b