1. Solve diff eqn   dy/dx  +  y cotx  =  x2 cotx  +  2x
2. Find distance of the point (-2 , 3 , -4 )  from the line  x + 2/3 = 2y +3/4 = 3z + 4/5  m,easutres II to plane   4x + 12y - 3z +1 =0

Hi Menak!
Here are the answers to your questions.
 
Question 1:
 
 
 
 
Hope! This will help you.
Cheers!!! 

  • 12

1.) it is a linear differential eqn.

integrating factor ,I.F. =

ecotxdx = elog(sinx) = sinx

 

now ,  y( I.F.) = 

∫(x2 cotx+ 2x). Sinx dx

 

now , solve the integral by , BY PARTS  integration.

 

plz. giv ur second quest. again, i hvnt understood the quest. properly.

  • 9

till here i have also done it the integration which has become very complicated in he middle

  • 1
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