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The ellipse with equation `z^2/9+y^2/4=1` is rotated counterclockwise about origin by `45^o` Then resulting equation can be written as `ax^2 + bxy + cy^2 = 72`, then `(a + b + c)` is
A. |
6 |
B. |
16 |
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C. |
26 |
D. |
36 |