Suppose 
is a solution to the ODE. Then 
and 
, and substituting these into the ODE gives
Then the particular solution to the ODE is
Sent you a pic of the solution to your problem.
Answer:
1 and 5
Step-by-step explanation:
The correct answer is C
Good luck on the rest :D
Answer:
Correct option is
B
90
∘
,90
∘
,90
∘
Let AB and CD be two lines Intersecting at O, such that, ∠AOD=90
∘
Now, ∠AOD=∠COB=90
∘
(Vertically opposite angles)
⟹∠AOD+∠DOB=180
o
(Angles on a straight line)
⟹90+∠DOB=180
o
∠DOB=90
∘
∠DOB=∠AOC=90
∘
(Vertically opposite angles)
Thus, all angles are 90
∘
.
