If x 2 -3x-1-0- then the value of x 2 - 1 x 2 is

The correct option is D 7 Given eq. is x^2 3x+1=0 x^2+1=3x x+1x=3 squaring both sides , we get x^2+1x^2+2=9 x^2+1x^2=7 ...

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Middle Terms

If x 2 -3x+...

Question

If $x^{2} - 3 x + 1 = 0$ , then the value of $x^{2} + \frac{1}{x^{2}}$ is

3

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5

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7

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x^{2} - 3 x + 1 = 0

x - \frac{1}{x}

x^{2} - 5 x - 1 = 0

x^{2} + \frac{1}{x^{2}}

If $p (x) = x^{2} - 3 \sqrt{3} x + 1$ , then the value of $p (3 \sqrt{3})$ is 0.

if p(x) = $x^{2} - 3 \sqrt{3} x + 1$ then the value of $p (3 \sqrt{3})$ is 0.

y = {tan}^{- 1} (\frac{1}{1 + x + x^{2}}) + {tan}^{- 1} (\frac{1}{x^{2} + 3 x + 3}) + {tan}^{- 1} (\frac{1}{x^{2} + 5 x + 7}) + . . . . n

y^{'} (0)

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