Question

4.If m = a + iß and m2 = a -iß are two complex roots of auxiliary equation of secondorder DE O(D) y=0 then it's solution is(A) eBX [ci cos ax + C2 sin ax](B) ex [(cx + c2) cos Bx + (C3X + C4) sin Bx](C) ceas + czeB(D) ex [C COS Bx + C2 sin ßx]​

Answer 1

ysysygisyfy8egiygei7gig

Step-by-step explanation:

OMG