# Q1. Decide, among the following sets, which sets are subsets of one and another:A = { x : x  R and x satisfy  – 8x + 12 = 0 }, B = { 2, 4, 6 },C = { 2, 4, 6, 8, . . . }, D = { 6 }.

Solution of this equation are  – 8x + 12 = 0

( x - 2 ) ( x - 6 ) = 0

X = 2,6

A = { 2,6 }

B = { 2, 4, 6 }

C = { 2, 4, 6, 8, . . . }

D = { 6 }

From the sets given above, we can conclude that  A  B, A  C, D  A, D  B, D  C, B  C

Hence, we can say that D  A  B  C

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