Question: Q 7 : Define G ' ' : { 0 , 1 } ^ n - > { 0 , 1 } ^ 6 n

Q7: Define G'':{0,1}^n->{0,1}^6n where G^''(x)G(y_1)||G(y_2)||G(y_1)G(y_2). Is G'' still a PRG? If yes, explain why; if not, give an explicit attack that violates PRG definition.
Pseudorandom generator :let (PRG) G:{0,1}^n->{0,1}^2n be a pseudorandom generator and lets denote G(x)y_1|| y_2, where y_1,y_2 are both n-bit strings, and we use G_1(x) to represent y_1, and G_2(x) to represent y_2.

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