Bài tập toán cơ bản số 20

Created by T. Madas
Question 54
Rearrange the following formulae for the variable written inside the square bracket.

a)

y2
x2 − 1
=
y2 +1
x2

b) T = 2π

L
g

[ y]

[ L]

1
c) V = π r 2 L2 − r 2
3

d) A =

e)

(****+)

(****+)

[ L]

(****+)

h
b
( a + b ) + ( a + h ) [a]
2
2

1 1 1
− =
[u ]
v u f

(****+)

(****+)

f) u 2 = v − 2u [u ]

(*****)

g) x 2 + y 2 = 2 xy + z 2 [ x]

(*****)

h) x + x = y [ x]

(*****)

Created by T. Madas


Created by T. Madas

OPERATIONS
WITH
FRACTIONS

Created by T. Madas