Question

if 4x =√5+2 then find the value of 4x-1/16x is​

Answer 1

4x+1=√5+2

√5=2.23

4x+1=2.23+2=4.23

4x+1=4.23

4x=3.23

x=3.23/4

then you put this value of X in 4x-1/16x