2. Solve the differential equation (a) x" + 6x' + 10x = 0 (c) x" + 25x = 0. (e) x + 2x" + x = 0 (b) x'" (d) x +7x"=0 16x=0 (f) x - - 4x" + 13x' = 0. (g) (D+1)²(D² + 1) (D² - 2D + 5)²x = 0 (h) D² (D-5)³(D² + 16)² (D² +8D+25)x = 0

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