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考研辅导讲课题

上传者:叶子黄了 |  格式:pdf  |  页数:18 |  大小:1594KB

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'+)= / + 1 +411ˆ"d‰Šs\rA)y* = ax1 +Z7x + c + x(Asinx + Bcosx) B) y* =x(‘x2 +/?x + c +Asinx + ficosx)\rC) y* = ax~ + bx + c + Asinx D) y* = ax1 + bx + c + A cosx\r!1d\rP 7. (07b10@)1Z@[\|}”•–—y˜ = / ˜ = 1"db\ryf- 2 y = e 2x\rP 8.1d‡\ry(0) = l,)/(0) = l.\rP 9.1d + y cos x = (In x)e~3'nx o\ry" + 4y' + 4 y = 0 2\rP 10. y=y(x)|} <  j y(x)dx.\ry(0) = 2,/(0) = 4. 0\r!zI\r2x\rP 11.,-p f(x)|} /(x)= J/(-)^ + l n 2 , q f(x)=_______.\ro 2\rP 12.Ÿ‚ A(0,l),B(l,0).\nA B +¡8Onc P(x,y)e A 8 ,\nA P ¤¥A P ¦?\r§ 0 s 1\nA 8 [\b\rP 13. (03,12@)'©ªVc«¬\ny=f(x)­ (®¯,{)T+nc P(x,y)°±\ry ?> sQ,8?LP Q ³ x ?´@b\r(1) 1\ny=f(x)[\\r(2) Ÿ‚\nµ=4 ¶ *·0,¸¹+º»m/¼I/$%\ny=f(x)º»s.\rP 14.c½¾¿–À*ÁÂÃÄÅ+bÆÇÈÉʕ˿–cÌÍÎ8 ÏÐcÌÍÎ10\rϼÑÒk¿–Ó­ÅÔËÕb

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