y除以x的三次方乘以2y分之一
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x^3y-2x^2y^2+xy^3=x^3y+2x^2y^2+xy^3-4x^2y^2=xy(x^2+2xy+y^2)-4x^2y^2=xy(x+y)^2-4x^2y^2=12×7×7-4×12×12
原式=(4x的3次方+2x的4次方y)÷x的2次方=(4x的3次方÷x的2次方)+(2x的4次方y÷x的2次方)=4x+2x的2次方y=4x+2x²y
(-8x²y³)÷(-2xy)²=(-8x²y³)÷(4x²y²)=-2y
(x+3)^2-(x-1)(x-2)=x^2+6x+9-(x^2-3x+2)=x^2+6x+9-x^2+3x-2=9x+7(x^2y)^3*(-2y^2)^2÷(2x^2)=(x^6y^3)*(4y^
(x-y)³×(x-y)²×(y-x)=(x-y)³×(x-y)²×[-(x-y)]=-(x-y)的6次方
两边分别求导,得(2y)'=(-1+xy^3)'2y'=(xy^3)'2y'=x'y^3+x(y^3)'(uv)'=u'v+uv'2y'=y^3+x*3y^2*y'2y'=y^3+3xy^2*y'
两边分别求导,得(2y)'=(-1+xy^3)'2y'=(xy^3)'2y'=x'y^3+x(y^3)'(uv)'=u'v+uv'2y'=y^3+x*3y^2*y'2y'=y^3+3xy^2*y'怎么
(y-x)的五次方
1、-(X-Y)的8次方2、-(A-B-C)的6次方都是偶次方是不是可以化为正呢?!
根号32x除以根号2xy乘以2根号y的三次方=(4√2x)÷(√2xy)×(2√y³)=4÷(√y)×(2y√y)=8y
y=x^3*2^xy=(x^3)'*2^x+x^3*(2^x)'y=3x^2*2^x+x^3*2^x*ln2
(x-2y)2*(2y-x)3=(x-2y)2*(2y-x)2*(2y-x)=(x-2y)2*(x-2y)2*-(x-2y)=-(x-2y)5结果等于-(x-2y)的5次方
(3a/x+y)³*(x²-y²)/(y-x/y+x)²=(3a)³/(x+y)³*(x+y)*(x-y)*(x+y)²/(x-y
负二分之一x的三次方y+四分之一x方y方-八分之一x立方y立方=-1/8x²y(4x-2y+xy²)
原式=-(x+y)²×(x-y)²=-(x²-y²)²
x分之y的三次方乘以2y分之一=y^3/X*1/2y=y^2/2x再问:x分之y是有括号的,是(x分之y)的三次方乘以2y分之1再答:x分之y的三次方乘以2y分之一=y^3/X^3*1/2y=y^2/
1/8xy^3=6^12xy^3=6^12*8展开xy^3=2^12*3^12*2^3xy^3=2^15*3^12则一:(x)(y)^3=(2^15)*(3^4)^3x=2^15y=3^4二:(x)(
(-2x^my^3)*(3x^3*y^2)*(5x^2y^n)=-30x^4y^3-30x^(m+3+2)y^(3+2+n)=-30x^4y^3m+3+2=4m=-13+2+n=3n=-2
-(x-y)^10那位错了吧如果有什么不懂的,欢迎继续问我来自“理科最强”团队
题目是不是(x^3+y^3)/(x+y)?应该等于x^2+xy+y^2