If 2-m×, then is equal to
2-m × 1 / 2m = 1/4
= 1/2m × 1/2m = 1/4
= 1/4m = 1/4
= m = 1
1/14 {(4m)1/2 + (1/5m)-1}
= 1/14 {2 + 5}
= 1/14 × 7
=