Question

if Y - 1 by Y the whole cube is equal to 27 then find the value of y cube minus 1 by y cube​

Answer 1

HEY!!MATE HERE'S YOUR ANS..

the value of [(y-1)÷y]³=27

the value of the (y³-1)÷y³

=[(y-1)÷y]³

here given that [(y-1)÷y]³ is 27

therefore,the value of [(y-1)÷y]³=27