1. What is the area of △ABC \triangle A B C △ABC ?
20 s.u
32 s.u
16 s.u
12 s.u 12 \mathrm{~s} . \mathrm{u} 12 s.u
2. What is the polar co-ordinate of (−1,−3) (-1,-\sqrt{3}) (−1,−3) ?
(2,240∘) \left(2,240^{\circ}\right) (2,240∘)
(2,120∘) \left(2,120^{\circ}\right) (2,120∘)
(2,60∘) \left(2,60^{\circ}\right) (2,60∘)
(2,30∘) \left(2,30^{\circ}\right) (2,30∘)
3. What is the value of ∫1e1xdx \int_{1}^{e} \frac{1}{x} d x ∫1ex1dx ?
1
-1
e
0
4. Which one of below is the value of tan 4θ\ 4 \theta 4θ?
2tan2θ1+tan22θ \frac{2 \tan 2 \theta}{1+\tan ^{2} 2 \theta} 1+tan22θ2tan2θ
2tan2θ1−tan22θ \frac{2 \tan 2 \theta}{1-\tan ^{2} 2 \theta} 1−tan22θ2tan2θ
2tanθ1−tan2θ \frac{2 \tan \theta}{1-\tan ^{2} \theta} 1−tan2θ2tanθ
1−tan22θ1+tan22θ \frac{1-\tan ^{2} 2 \theta}{1+\tan ^{2} 2 \theta} 1+tan22θ1−tan22θ
5. Which one is the equation of circle?
x2+9y2=144 \mathrm{x}^{2}+9 \mathrm{y}^{2}=144 x2+9y2=144
y2=16x \mathrm{y}^{2}=16 \mathrm{x} y2=16x
3x2+5y2+5=0 3 x^{2}+5 y^{2}+5=0 3x2+5y2+5=0
x2+y2=16 \mathrm{x}^{2}+\mathrm{y}^{2}=16 x2+y2=16
What is the area of