微分方程<img src=https://huaweicloudobs.ahjxjy.cn/C94D3495D48259784DE3D021F80766D2.png title=[}J)X)RXY{5G]$SR92V{~[G.png alt=[}J)X)RXY{5G]$SR92V{~[G.png/>的通解是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/6D2E567D873A9E56772FDB73652E0419.png title=0[O3[E8TEZBI7KJLZ_34$8M.png alt=0[O3[E8TEZBI7KJLZ_34$8M.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/95D3C4AF333F1CCBCB7E76264A2450E8.png title=B@AW9_)F9N$_N`K)IE{F701.png alt=B@AW9_)F9N$_N`K)IE{F701.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A5C200611195CF46B992EEF063260153.png title=OC__]UL{QA595)B_G0_4GMU.png alt=OC__]UL{QA595)B_G0_4GMU.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/382FCD2314997A0B4A709F5998C0BCF9.png title=SSR13SY0BU5V_%{{HKJ_TK2.png alt=SSR13SY0BU5V_%{{HKJ_TK2.png/>