Question

plz some one slove (vii) question ​

Answer 1

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Answer 2

Step-by-step explanation:

$3 {x}^{2} - 1$

$3( \frac{1}{ \sqrt{3} } {)}^{2} - 1$

$3 \times \frac{1}{3} - 1$

$1 - 1 = 0$

$2)3 {x}^{2} - 1$

$3( \frac{2}{ \sqrt{3} } {)}^{2} 1$

$3 \times \frac{4}{3} - 1$

$4 - 1 = 3$

$it \: \: means \: that \: first \: option \: is \: the \: zero \: but \: not \: secnd \: one$

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