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$The minimum value of the expression 3^{x} + 3^{1 - x}, x \in R is:$

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Correct option is D

A. M≥ G.M 3x+31−x2≥3x⋅31−x3x+31−x≥23

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The minimum value of the expression 3x+31−x,x∈R is:

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$The minimum value of the expression 3^{x} + 3^{1 - x}, x \in R is:$