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Answer : Option C
x = ±√5, x = ±10iExplanation :
Given equation,
x^4 + 95x^2 – 500 = 0By factoring the above equation we get,
x^4 + 100x^2 – 5x^2 – 500 = 0
x^2(x^2 + 100) – 5(x^2 + 100) = 0
(x^2 – 5)(x^2 + 100) = 0solving the equation,
x^2 = 5, x^2 = 100Therefore, x = ±√5, x = ±10i
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