Logg på
Mathematics for IGCSE & O level - Indices 2 (Section 1 - No. 2)
Which of the following is equivalent to (x
-1
+ y
-1
)?
x + y
1/(x+y)
1/x + 1/y
xy
Forklaring
x
-1
is the same as 1/x, and y
-1
is the same as 1/y
Kommentarer (0)
Logg inn for å kommentere
Annonse
Tillat at javascript laster denne siden ordentlig
