Question

Substitution of
y = 2x², the equation 4x⁴-12x²+5=0 can be written as...

Answer 1

$Given \: y = 2x^{2} \: --(1)$

$and \: 4x^{4} - 12x^{2} + 5 = 0$

$\implies (2x^{2})^{2} - 6 \times (2x^{2}) + 5 = 0$

$\implies y^{2} - 6y + 5 = 0 \: [ From \: (1) ]$

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