初值问题<img src="/lqwvjeImg/95/954e0390ac7510b17e3d1b334369f75f.png"style="width:61px;height:44px;">满足初始条件<img src="/lqwvjeImg/ed/edd09de6ec3a817f08709a89feee2c9a.png"style="width:54px;height:21px;">的解是( )<br>· <img src="/lqwvjeImg/c9/c9b444b2ba13d6cc87babb4290e5def6.png"style="width:78px;height:28px;">;<br>· <img src="/lqwvjeImg/e2/e28caec120142807db746274adea2fc4.png"style="width:76px;height:21px;">;<br>· <img src="/lqwvjeImg/3d/3d068afe5778155918070b70aff40db1.png"style="width:57px;height:21px;">;<br>· <img src="/lqwvjeImg/b6/b6497450bcb9c4e1978c4f0050276eac.png"style="width:64px;height:24px;">.