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If x(1),x(2) are the roots of the quadra...

If `x_(1),x_(2)` are the roots of the quadratic equation `ax^(2)+bx+c=0 and c ne 0,` find the value of `(ax_(1)+b)^(-2)+(ax_(2)+b)^(-2)` in terms of a,b,c

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The correct Answer is:
`=(b^(2)-2ac)/(a^(2)c^(2))`
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