the differential equations whose general solution is given by y=( c1 +c2) cos (x+ c3) - c4 ex+c5 where c1, c2,c3,c4,c5 are arbitary constants is of order
ANS: 3 how ?

c1+c2 = D another constant
c4*ec5​=E another constant
therefore only 3 constants left

  • 3
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