Question

14 : If (x, y) is midpoint of the line joining (1, 2) and (-2, 1) then:
2x + 3y + 2 = 0
2x - 3y = 2
x+y=1
None of the above​

Answer 1

If (x, y) is midpoint of the line joining (1, 2) and (-2, 1) then: x+y=1

Third one is correct....

Hope it helps!!!