1.

If (x)/(a)costheta+(y)/(b)sintheta=1&(x)/(a)sintheta-(y)/(b)costheta=1. Then

Answer»

`(x^(2))/(a^(2))+(y^(2))/(B^(2))=0`
`(x^(2))/(a^(2))+(y^(2))/(b^(2))=1`
`(x^(2))/(a^(2))+(y^(2))/(b^(2))=-1`
`(x^(2))/(a^(2))+(y^(2))/(b^(2))=2`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions