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Question

Find the domain of the function f(x)=x2+2x+1x28x+12

Solution
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The given function is, f(x)=x2+2x+1x28x+12
f(x)=x2+2x+1(x6)(x2)

It can be seen that function f is defined for all real numbers except at x=6 and x=2
Hence the domain of f is R{2,6}

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Find the domain of the function f(x)=x2+2x+1x28x+12
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Find the domain of each of the following real valued functions of real variable :
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