sat_chen
question on how to solve this integration by quadratics



This Question is Closed

sat_chen
Best Response
You've already chosen the best response.
0
dw:1360167916055:dw

hartnn
Best Response
You've already chosen the best response.
0
can u complete the square in denominator ?

sat_chen
Best Response
You've already chosen the best response.
0
can you solve it using quadratics technique or would you do it using partial

hartnn
Best Response
You've already chosen the best response.
0
\(x^22x+2= (x....)^2+...^2\)

sat_chen
Best Response
You've already chosen the best response.
0
when i tried quadratic equation i got (x4)(x2) which wouldnt work

sat_chen
Best Response
You've already chosen the best response.
0
ah (x1)^2 would work too

hartnn
Best Response
You've already chosen the best response.
0
(x4)(x2) ??? how ?

sat_chen
Best Response
You've already chosen the best response.
0
(x1)^2 + 1^2 would work right

sat_chen
Best Response
You've already chosen the best response.
0
my bad what i meant was (x+2)(x4)

sat_chen
Best Response
You've already chosen the best response.
0
but then you cant square it to use the quadratic stuff

hartnn
Best Response
You've already chosen the best response.
0
(x1)^2 + 1^2 would work right \(\checkmark \)

sat_chen
Best Response
You've already chosen the best response.
0
i think i got it from here i forgot you could split + 2 into another piece

hartnn
Best Response
You've already chosen the best response.
0
put u = x1
and use the standard formula for
1/ (x^2+a^2)

sat_chen
Best Response
You've already chosen the best response.
0
i had my mindset on adding stuff to make it right