Question

If y+1/y=3 then find the value of y5+1/y5=?? Solve this question

Answer 1

Y+1/y=3

5y+1/5y

Y+1=3y

1/2=y------------- 1 -

Sub y in another equation

5/2+1/5/2

Take LCM

5+2/2/5/2

7/2/5/2

2gets canceled

7/5 is the ans