Question

Refer to attachment below — Class 9 Maths

Answer 1

Answer:

2} 64 can be written as 4 power 3

[4^3]^-2/3

in powers======3 x -2/3  ..... 3 and 3 are cancelled so that gives 4 power -2 which is 1/16

125 can be written as  [5^3]^-2/3

in powers=======3 x -2/3 which gives 5^-2 which is 1/25

1/16/1/25== 25/16=== [5/4]^2