设A为2阶矩阵,P(阿尔法,A阿尔法) ,其中阿尔法是非零向量且不是A的特征向量
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Theassociationis________toraisingfundstohelptheblind.
设函数f(x)=ln(3x),则 f'(2)=()
设函数y=sinx^2+2x,求dy.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
Theoppositionleaders________thegovernmentfornottakingactionsooner.