Question

factorise:
a^4 - 3a^2 + 2​

Answer 1

Answer:

${a}^{4} - 3 {a}^{2} + 2 = {a}^{4} - 2 {a}^{2} - {a}^{2} + 2 = {a}^{2} ( {a}^{2} - 2) - 1( {a}^{2} - 2) = ( {a}^{2} - 1)( {a}^{2} - 2) = (a + 1)(a - 1)(a + \sqrt{2} )(a - \sqrt{2} )$

Answer 2

Answer:

a^4-3a²+2=0

Step-by-step explanation:

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