Question

simplyfy ; (2^-1 + 4^-1 + 6^-1 + 8^-1)^x = 1​

Answer 1

Answer:

(1/2 + 1/4 + 1/6 + 1/8 )^x = 1

(12 + 6 + 4 + 3)^x/24 =1

(25/24)^ x = 1

(25/24)^x = (25/24)^0

therefore x = 0