Math, asked by illenaparker9255, 1 year ago

log2 x + log4 x+log16 x=21/4

Answers

Answered by lkchandel
5

Answer:

log4 x = (1/2) log2 x

log16 x = (1/4) log2 x

so the above expression can be written like this

(1+1/2+1/4) * log2 x = 21/4

(7/4)* log2 x = 21/4

log2 x = 3

x= 2^ 3 = 8

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