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Question

Solve the following quadratic equation by factorization :
a(x2+1)x(a2+1)=0

A
a, 1a
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B
a, 1a
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C
a, 1a
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D
a, 1a
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Solution

The correct option is D a, 1a
a(x2+1)x(a2+1)=0
ax2+aa2xx=0
ax2(a2+1)x+a=1
ax2a2xx+a=0
ax(xa)1(xa)=0
(xa)(ax1)=0
xa=0 and ax1=0
x=a and x=1a

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