7/26/2019 estsol05.pdf

1/2

x2

x3 = 1

x x x= 1

43 = 64

53 = 125

( 23

)10 = 210

35 = 1024

243

4.1 = 4110

0.111 . . .= 19

25 = 125

= 132

a

b a

b (1+ 2

2+ 2)b= a

2 = a3b2b

111

1

27

3 1 1

1 1 1

810906060 = 600

1 < a 2

7/26/2019 estsol05.pdf

2/2

4

3+24

5+32

8

2

= 194

x

h

ABC

A

h

ABD

A

BCh2

= 5

BDh2

= 4

BC

BD = 5

4

BD = 45

BC

k

BE C

BDE

E

BCk2

= 4

BD

k

2 = 4

5

BC

k

2 = 16

5

y =f(x)

y = f(x)

x

(1,3)

32

(1,1)

x

(1,1) 32

(13

, 0)