a = 2
b = 2a = 2×2 = 4
c = ab = 2×4 = 8
a + b + c = 2 + 4 + 8 = 12
The answer is 12
Sorry for any mistake
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a = 2
b = 2a = 2×2 = 4
c = ab = 2×4 = 8
a + b + c = 2 + 4 + 8 = 12
The answer is 12
Sorry for any mistake