Saved Bookmarks
| 1. |
If `(9a)/(costheta)+(5b)/(sintheta)=56` and `(9asintheta)/(cos^(2)theta)-(5bcostheta)/(sin^(2)theta)=0` If the value of `[(9a)^(2/3)+(5b)^(2/3)]^(3)=(8K)^(2)` Then `K` is ……….. |
|
Answer» Correct Answer - 7 `(cos^(3)theta)/(9a)=(sin^(3)theta)/(5b)=lamda^(3)` `(9a)/(costheta)+(5b)/(sintheta)=56` `(9a)/(lamda(9a)^(1/3))+(5b)/(lamda(5b)^(1/3))=56` `[(9a)(2/3)+(5b)^(2/3)]^(3)=(56)^(2)` |
|