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If \( \alpha, \beta, \gamma, \delta \in \mathrm{R} \) satisty
\[
\frac{(\alpha+1)^{2}+(\beta+1)^{2}+(\gamma+1)^{2}+(\delta+1)^{2}}{\alpha+\beta+\gamma+\delta}=4
\]
P
W)
If biquadratic equation \( a_{0} x^{4}+a_{1} x^{3}+a_{2} x^{2}+a_{3} x+a_{4}=0 \) has theroots \( \left(\alpha+\frac{1}{\beta}-1\right),\left(\beta+\frac{1}{\gamma}-1\right),\left(\gamma+\frac{1}{\delta}-1\right),\left(\delta+\frac{1}{\alpha}-1\right) \).
Then the value of \( a_{2} / a_{0} \) is:
(a) 4
(b) \( -4 \)
(c) 6
(d) None the these
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