Answer:
I do 1 option for you as an example, you need to check the leftover by yourself.
Step-by-step explanation:
for d) y(0) = 0 and y'(pi) =0
Replace we have
if and only if
Hence the given solution does not work.
then, d is NOT the correct answer.
2.00000000e+100
2
45:18:36
substitute x back into 5x:2x:4x
Therefore, 99 in the ratio of 5:2:4...