√12x²y+24x²y³ (x>=0 y>=0) √a5次方+2a³b²+ab4次方(a>=0 b>=0)

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√12x²y+24x²y³(x>=0y>=0)√a5次方+2a³b²+ab4次方(a>=0b>=0)√12x²y+24x²y

√12x²y+24x²y³ (x>=0 y>=0) √a5次方+2a³b²+ab4次方(a>=0 b>=0)
√12x²y+24x²y³ (x>=0 y>=0) √a5次方+2a³b²+ab4次方(a>=0 b>=0)

√12x²y+24x²y³ (x>=0 y>=0) √a5次方+2a³b²+ab4次方(a>=0 b>=0)
√12x²y+24x²y³ (x>=0 y>=0)
=√[4x²(3y+8y³)]
=2x√(3y+8y³)
√a5次方+2a³b²+ab4次方(a>=0 b>=0)
=√[a(a²+b²)²]
=(a²+b²)√a