Question

can u help me in 12 question please
If a varies inversely with the cube of b then equation can be written as
a³ α 1/b
a³ α b
a α b³
a α 1/b³​

Answer 1

• a α 1/b³

The statement ‘If a varies inversely with the cube of b’ then equation can be written as ‘a α 1/b³’

It could have been written as ‘a α b³’ but it is given that a is inversely proportional to cube of b i.e. b³