Question

if 2^-x×1/2^x=1/4, then show that 1/14{(4^x)^1/2+(1/5^×)^-1}=1/2​

Answer 1

Answer:

if 2^-x×1/2^x=1/4, then show that 1/14{(4^x)^1/2+(1/5^×)^-1}=1/2