In the expression x-1 x-1 each x is replaced by x-1 x-1- The resulting expression- evaluated for x- 1 2 equals-

The correct option is D 12 Expression is x+1x 1=y If x is replaced by x+1x 1 x+1x 1+1x+1x 1 1 x+1+x 1x+1 x+1=2x2 The resultant e ...

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Composite Function

In the expres...

Question

In the expression $\frac{x + 1}{x - 1}$ each $x$ is replaced by $\frac{x + 1}{x - 1}$ . The resulting expression, evaluated for $x = \frac{1}{2}$ equals:

3

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\frac{1}{2}

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Solution

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