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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Muskan Jain posted an Question
November 30, 2020 • 21:40 pm
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30 points
30 points
- IIT JAM
- Mathematics (MA)
Ag by + cy+ = o 18 spam ed hhun whi ch,cen ditien 1s tul eles, sn tbc-d = o (2) qtbtc+ d=o (3) -b +c- d =o q-b-c-d o
ag by + cy+ = o 18 Spam ed Hhun whi ch,Cen ditien 1s tuL eLes, sn tbC-d = o (2) qtbtC+ d=o (3) -b +C- d =o q-b-c-d o
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Deepak singh 1![best-answer]()
Refer attached solution option 1 and 2 are correct
sir constant bhi to aayenge like y=c1e^x+c2sinx+c3cosx
linear combination tbhi hoga
sir question main spanned likha huaa h
sum of e^x , sinx and cosx will also be solution of given D.E . because D.E is spanned by e^x,sinx and cosx
no need to write c1,c2 and c3
here e^x , sinx , cosx are L.I , So C1= a+b+c+d=0 C2 = a+b-c-d=0 C3= a-b-c+d=0
feel free to ask again