# How do you solve #2sqrt(a-1)=4sqrt(a)#?

##### 1 Answer

May 19, 2015

Square both side:

(a - 1) = 4a -> 3a = -1 -> a = -1/3

a can't be negative, then solving is impossible.

May 19, 2015

Square both side:

(a - 1) = 4a -> 3a = -1 -> a = -1/3

a can't be negative, then solving is impossible.

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