Prasnya
Prasnya
Prasnya
Continue with Google
Week 8 Practice Questions | Prasnya
Q1
00:00
3 Aug 2025
Q1.
f
(
x
)
=
a
sin
∣
x
∣
+
b
e
∣
x
∣
f(x)=a\sin|x|+be^{|x|}
f
(
x
)
=
a
sin
∣
x
∣
+
b
e
∣
x
∣
is differentiable at
x
=
0
x=0
x
=
0
, if and only if
A
a
−
b
=
0
a-b=0
a
−
b
=
0
B
a
=
0
a=0
a
=
0
C
a
+
b
=
0
a+b=0
a
+
b
=
0
D
b
=
0
b=0
b
=
0
Save
Check
Details
Q1
00:00
3 Aug 2025
Q1.
f
(
x
)
=
a
sin
∣
x
∣
+
b
e
∣
x
∣
f(x)=a\sin|x|+be^{|x|}
f
(
x
)
=
a
sin
∣
x
∣
+
b
e
∣
x
∣
is differentiable at
x
=
0
x=0
x
=
0
, if and only if
A
a
−
b
=
0
a-b=0
a
−
b
=
0
B
a
=
0
a=0
a
=
0
C
a
+
b
=
0
a+b=0
a
+
b
=
0
D
b
=
0
b=0
b
=
0
Save
Check
Details
