Question

Let O be the origin and A(1,0), B(0,1) and P(x,y) are points such that xy>0 and x+y<1, then

• A. P either lies inside $\Delta OAB$ or in the third quadrant
• B. P cannot lie inside $\Delta OAB$
• C. P lies inside $\Delta OAB$
• D. P lies in the first quadrant only

Answer 1

The correct option is A P either lies inside $\Delta OAB$ or in the third quadrant

The correct answer is option (a). Check the video for the approach.