1
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $2 x^2-3 x y+4 y^2+2 x-3 y+4=0$, then $\left(\frac{d y}{d x}\right)_{(3,2)}=$
A
-5
B
$\frac{5}{7}$
C
-2
D
$\frac{2}{7}$
2
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $x=\frac{9 t^2}{1+t^4}$ and $y=\frac{16 t^2}{1-t^4}$ then $\frac{d y}{d x}=$

A
$\frac{16}{9}\left(\frac{1-t^4}{1+t^4}\right)^3$
B
$\frac{16}{9} \frac{\left(1-t^4\right)}{\left(1+t^4\right)}$
C
$\frac{9}{16} \frac{\left(1-t^4\right)}{\left(1+t^4\right)}$
D
$\frac{16}{9}\left(\frac{1+t^4}{1-t^4}\right)^3$
3
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $y=\sin a x+\cos b x$, then $y^{\prime \prime}+b^2 y=$
A
$\left(b^2-a^2\right) \sin a x$
B
$\left(b^2-a^2\right) \cos b x$
C
$\left(a^2-b^2\right) \tan a x$
D
$\left(b^2-a^2\right) \cot b x$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The radius of a sphere is 7 cm . If an error of 0.08 sq cm is made in measuring it, then the approximate error (in cubic cm ) found in its volume is
A
0.28
B
0.32
C
0.96
D
0.098
EXAM MAP