1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The maximum interval in which the slopes of the tangents drawn to the curve $y=x^{4}+5 x^{3}+9 x^{2}+6 x+2$ increase is
A
$\left[\frac{-3}{2},-1\right]$
B
$\left[1, \frac{3}{2}\right]$
C
$R-\left[1, \frac{3}{2}\right]$
D
$R-\left[\frac{-3}{2},-1\right]$
2
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $A=\{P(\alpha, \beta) /$ the tangent drawn at $P$ to the curve $y^{3}-3 x y+2=0$ is horizontal line $\}$ and $B=\{Q(a, b) /$ the tangent drawn at $Q$ to the curve $y^{3}-3 x y+2=0$ is a vertical line $\}$, then $n(A)+n(B)=$
A
12
B
1
C
0
D
4
3
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In a $\triangle A B C$, the sides $b, c$ are fixed. In measuring angle $A$, if there is an error of $\delta A$, then the percentage error in measuring the length of the side $a$ is
A
$\frac{2 \Delta \delta A}{R \sin A} \times 100$
B
$2 \times \frac{\delta A}{A} \times 100$
C
$\frac{\Delta \delta A}{2 R^{2} \sin ^{2} A} \times 100$
D
$\frac{\Delta^{2} \delta A}{R \sin A} \times 100$
4
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
$y=f(x)$ and $x=g(y)$ are two curves and $P(x, y)$ is a common point of the two curves. If at $P$ on the curve $y=f(x), \frac{d y}{d x}=Q(x)$ and at the same point $P$ on the curve $x=g(y), \frac{d x}{d y}=-Q(x)$, then
A
the two curves have common tangent
B
the angle between two curves is $45^{\circ}$
C
tangent drawn at $P$ to one curve is normal to the other curve at $P$
D
the two curves never intersect orthogonally
EXAM MAP