Question

If x+1/2x=5 than find the value of x2+1/4x2

Answer 1

x+1/2x=5

x+1=10x

x-10x=-1

-9x=-1

- , -of both side are cancelled

x=1/9

putting value of x in other Eq

2/9 + 1/4*2

2/9+1/2

13/18