Given that a-12- simplify the expression 2a2-5a-34a2-1-

The correct option is D a+32a+1 We need to simplify 2a^2+5a 34a^2 1 On factoring, we get = 2a^2 1a+6a 3 = a(2a 1)+3(2a 1) The fac ...

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Given that $a \neq \pm \frac{1}{2}$ , simplify the expression $\frac{2 a^{2} + 5 a - 3}{4 a^{2} - 1}$ ?

\frac{2 a - 3}{2 a + 1}

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\frac{a - 3}{2 a - 1}

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\frac{2 a + 3}{2 a - 1}

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\frac{a + 3}{2 a + 1}

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{(a + \frac{1}{2 a +} \frac{1}{2 a +} \dots)}^{2} + {(a - \frac{1}{2 a -} \frac{1}{2 a -} \dots)}^{2} = 2 a^{2}

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x^{3} - 6 x^{2} + 3 x - 2 a = 0

∣ ∣ ∣ ∣ \begin{matrix} a^{2} + 2 a & 2 a + 1 & 1 2 a + 1 & a + 2 & 1 3 & 3 & 1 \end{matrix} ∣ ∣ ∣ ∣ = (a - 1)^{3}

∣ ∣ ∣ ∣ \begin{matrix} a^{2} + 2 a & 2 a + 1 & 1 2 a + 1 & a + 2 & 1 3 & 3 & 1 \end{matrix} ∣ ∣ ∣ ∣ = (a - 1)^{C}

C =

∣ ∣ ∣ ∣ \begin{matrix} a^{2} + 2 a & 2 a + 1 & 1 2 a + 1 & a + 2 & 1 3 & 3 & 1 \end{matrix} ∣ ∣ ∣ ∣ =

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