a⁴+a²x²+x⁴
factorize
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Answer:
Step-by-step explanation:
Given : (x + a) is a factor of f(x) = x⁴ - a²x² + 3x - 6
So, x + a = 0
x = - a
And f(- a) = 0
Therefore,
f(- a) = (- a)⁴ - a²(- a)² + 3(- a) - 6
= a⁴ - a²(a²) - 3a - 6
= a⁴ - a⁴ - 3a - 6
0 = - 3a - 6
3a = - 6
a = - 2
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