List - I | List – II | ||
A. | Lemur | i. | Flying phalanger |
B. | Bobcat | ii. | Numbat |
C. | Anteater | iii. | Spotted cuscus |
D. | Flying squirrels | iv. | Tasmanian tiger cat |
Let α,β be the roots of the equation, ax2+bx+c=0.a,b,c are real and sn=αn+βn and \(\begin{vmatrix}3 &1+s_1 &1+s_2\\1+s_1&1+s_2 &1+s_3\\1+s_2&1+s_3 &1+s_4\end{vmatrix}=\frac{k(a+b+c)^2}{a^4}\) then k=