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AP EAMCET201724 Apr 2017Morning ShiftMathematicsParabolaActual

The length of the latus rectum of 9 x^2+25 y^2-90 x-150 y+225=0 is

Options

  1. A50 3
  2. B18 5
  3. C18 25
  4. D9 25

Correct answer

B. 18 5

Step-by-step solution

No solution. Refer to answer key.

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