Page 29 - E-MODULE PGSL KELAS XI

E-MODULE Kelas XI
e

2
2
8) = 2) + + 1) = 8 jika gradien garis singgungnya 1
Jawab:
, ) = 2, 1)
= 8

= 1
Jawab:

2
= ) √ + 1
+ 1 = 1 2) 8 1 + 1
2

+ 1 = + 2 16
= + 2 1 4
= + 1 4

Diperoleh persamaan garis singgung
= + 1 + 4 ⇔ = + 5

= + 1 4 ⇔ = 3

2
2
9) = + 4 + 6 55 = 0 yang bergradien 4

Jawab:

= 4, = 6, = 55

1
1
= = 2; = = 3

2 2

2
= √ + = 4 + 9 + 55 = 68 = 2 17
2

= 4

2
= ) √ + 1
2
+ 3 = 4 2) 2 17 4 + 1
+ 3 = 4 2) 2 17 16 + 1
+ 3 = 4 8 2 17 17

+ 3 = 4 8 34
= 4 8 3 34
= 4 11 34

= 4 11 + 34 atau = 4 11 34

= 4 + 23 atau = 4 11 34

Persamaan Garis Singgung Lingkaran 22