Question

if a=2^x-1/2^x+1 and b=2^-x/2^x+1 , find the value of x if a-b =0​

Answer 1

Answer:

1

Step-by-step explanation:

{(2^x-1)÷(2^x+1)}-{(2^x-x)÷(2^x+1)}=0

by taking LCM

(2^x-1-2^x+x)÷(2^x+1)=0

so,

2^x-2^x+x-1=0

x-1=0

x=1

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