One is the integral of e^x times cos x.
Use integration by parts.
Answer:
I solved it and my answer is number 1
Answer:
rearrange them properly to get
x-y=7
-3x+y=12
( by elimination method)
x-y = 7
-3x+y=
(x+ –3x) + (–y+y) = (7+12)
-2x+0= 19
x= -9.5
from eqn(i)
x-y=7
-9.5 - y=7
-y=16.5
y= -16.5
The anwser of your problem is 2536 do you need an explanation
Answer:
B. 9x10^4
Step-by-step explanation: