In case of inverse proportion ____________.
Concept of Inverse Proportion.
If ab=k, where a&b are two numbers and k is the constant. Then, a&b are said to be inversely proportional.
Hence, in case of inverse proportion a2a1=b1b2.
Fill in the blanks:
a : b and c : d are in inverse proportion, then a : b = ...........
a : b and c : d is in inverse proportion. Express this in direct proportion.