Question

dy
3. If y=3 log x+5e + 7 sin x, then
3
a)
5e + 7 Cosx b) – +5e* – 7 cos x
3
d) -—+5e* + 7 cos x
c)
+ 5e + 7 cos x
dy
4. The order and degree of the differential equation
+xsin y=0 are...
dx
respectively.
(2
)
a) 2,4
b) 3,2
c) 3,4
d) 2.3
5. cosec? (5x+7) dx = ...+ c
(2)
I
1
a)
cot (5x+7)
b) -tan 5x+7)
0 - tan( 53
tan(5x+7)
»-cot (5x+7)
5
cos X-sin x) dx = ...
a) 2-1
b) 2-1
)
d) - 2+1​

Answer 1

cos theta is equal to 10 10 theta is equal to cos theta