If 3 x x 1 - 3 2 4 1 then x is equal to

The correct option is B ± 2 √(2) 3 amp; x x amp; 1 = 3 amp; 2 4 amp; 1 3 x ^ 2 =3 8 x ^ 2 =8 x=±√( 8 ) x ...

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Definition of a Determinant

If 3 x x...

Question

If $∣ ∣ ∣ \begin{matrix} 3 & x x & 1 \end{matrix} ∣ ∣ ∣ = ∣ ∣ ∣ \begin{matrix} 3 & 2 4 & 1 \end{matrix} ∣ ∣ ∣$ then x is equal to

\pm 2 \sqrt{2}

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x

∣ ∣ ∣ \begin{matrix} 3 & x x & 1 \end{matrix} ∣ ∣ ∣ = ∣ ∣ ∣ \begin{matrix} 3 & 2 4 & 1 \end{matrix} ∣ ∣ ∣

x

∣ ∣ ∣ \begin{matrix} 3 & x x & 1 \end{matrix} ∣ ∣ ∣ = ∣ ∣ ∣ \begin{matrix} 3 & 2 4 & 1 \end{matrix} ∣ ∣ ∣

If {x} denotes the fractional part of x, then ${\frac{82 \times k + 2}{82}}$ = ${k + \frac{2}{82}}$ is, where k is an integer greater than 1:

lim x \to 4 \frac{x^{3} - 64}{x^{2} - 16}

f (x) = x^{2} - 2 \sqrt{2} x + 1, then f (2 \sqrt{2})

4 \sqrt{2}

8 \sqrt{2} + 1

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