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If the line joining the points (x1, y1) ...

If the line joining the points `(_x_1, y_1) and (x_2, y_2)` subtends a right angle at the point (1,1), then `x_1 + x_2 + y_2 + y_2` is equal to

A

4

B

5

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
D
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