A B C D is a trapezium such that A B and C D are parallel and B C ⊥ C D . If ∠ A D B = θ ,…

1. $\frac{p^2+q^2}{p^2\cos \theta +q^2\sin \theta }$
2. $\frac{\left(p^2+q^2\right)\sin \theta }{{\left(p\cos \theta +q\sin \theta \right)}^2}$
3. $\frac{\left(p^2+q^2\right)\sin \theta }{p\cos \theta +q\sin \theta }$
4. $\frac{p^2+q^2\cos \theta }{p\cos \theta +q\sin \theta }$

Solution

Asked in: JEE Main 2013 (07 Apr)

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