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Worksheetsquiz (1) Diff
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
write your name
4 lines
2.
If x2+4y2−4xy=0 , then dydx= …………
a)
-1
b)
21
c)
2
d)
1
3.
The rate of change of x−1x+1 with respect to x+1 at x=3 equal ........
a)
-2
b)
41
c)
1
d)
2
4.
The derivative of y=2cos2(x)−cot(x) with respect to z=sin(x) equal
a)
2 tan (x)+csc2(x)
b)
−4sin(x)+sec(x)csc2(x)
c)
4tan (x)+csc2(x)
d)
−2tan(x)+sin(x)
5.
if f(x)=sin2(tanx),then f ′(4π)=
a)
zero
b)
2
c)
2 sin (2)
d)
sin (4)
6.
If x=(y5−1)8 , then dxdy=
a)
40 x yy5−1
b)
8 (y5−1)7
c)
40 x y
d)
zero
7.
The slope of the curve : y=x+sec(x) at x=0 equal ........
a)
-1
b)
zero
c)
21
d)
1
8.
If y+cot(x)=0 , then dxdy=
a)
1+y
b)
1+y2
c)
y2−1
d)
y2
9.
If f(x)=sin(x) sec (2x) , then f ′(0)=
a)
-1
b)
zero
c)
1
d)
2
10.
If y=41sec4(x) , then dxdy=
a)
4y tan(x)
b)
4y
c)
sec3(x) tan(x)
d)
y tan(x)
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