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主要内容

验证微分方程的解

问题

f, prime, left parenthesis, x, right parenthesis, equals, start fraction, 3, f, left parenthesis, x, right parenthesis, divided by, x, natural log, left parenthesis, x, right parenthesis, end fraction
f, left parenthesis, x, right parenthesis, equals, 2, left parenthesis, natural log, left parenthesis, x, right parenthesis, right parenthesis, cubed 是上述等式的一个解吗?
选出正确答案:
不会做了?
不会做了?