JEE Math Practice Question
Locus of mid point of the portion between the axes of $$x$$ $$cos$$ $$\alpha + y\,\sin \alpha = p$$ where $$p$$ is constant is :
- A.$${x^2} + {y^2} = {4 \over {{p^2}}}$$
- B.$${x^2} + {y^2} = 4{p^2}$$
- C.$${1 \over {{x^2}}} + {1 \over {{y^2}}} = {2 \over {{p^2}}}$$
- D.$${1 \over {{x^2}}} + {1 \over {{y^2}}} = {4 \over {{p^2}}}$$
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