√12x²y+24x²y³ (x≧0,y≧0)
1个回答
√12x²y+24x²y³
=√[12x^2y(1+2y^2)]
=2x√[3y(1+2y^2)]
相关问题
化简:√(12x²y+24x²y³),(X≥0,y≥0)
P(0,5)圆C x²+y²+4x-12y+24=0 .
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平行线5x+12y=0和10x+24y+5=0的距离是多少?
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若4x-5y=0且y≠0,则[12x−5y/12x+5y]的值( )
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