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MCQs

Total Questions : 72 | Page 8 of 8 pages
Question 71. The coordinates of foot of the perpendicular drawn from the point (2, 4) on the line x + y = 1 are
  1.    (1 / 2 , 3 / 2)
  2.    (-1 / 2 , 3 / 2)
  3.    (3 / 2 , -1 / 2)
  4.    (-1 / 2 , -3 / 2)
 Discuss Question
Answer: Option B. -> (-1 / 2 , 3 / 2)




Question 72. If a circle passes through the point (a, b) and cuts the circle x2 + y2 = 4 orthogonally, then locus of its centre is
  1.    2ax + 2by + (a2 + b2 + 4) = 0
  2.    2ax + 2by - (a2 + b2 + 4) = 0
  3.    2ax - 2by + (a2 + b2 + 4) = 0
  4.    2ax - 2by - (a2 + b2 + 4) = 0
 Discuss Question
Answer: Option B. -> 2ax + 2by - (a2 + b2 + 4) = 0




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