Question

If p(x)= 3x×x -1 then find the value of x= -1/√3, 2/√3

Answer 1

p (x)=3x × x-1

x=-1/root 3

p (x)=3×-1/root 3 × -1/root 3 -1

p (x)=-root 3 × 2/root 3

p (x)=2

x=2/root 3

p (x)=3×2/root 3 × 2/root 3 - 1

p(x)=2×root 3 × 1/root 3

p (x) = 2

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