ແກ້ frac{x^{2}+xy-xz}{(x+y)^{2}-z^{2}}divx/(x+z)^{2-y^2}*xy-y^2-yz/(x-y)^2-z^2

$$\frac { x ^ { 2 } + x y - x z } { ( x + y ) ^ { 2 } - z ^ { 2 } } \div \frac { x } { ( x + z ) ^ { 2 } - y ^ { 2 } } \cdot \frac { x y - y ^ { 2 } - y z } { ( x - y ) ^ { 2 } - z ^ { 2 } }$$

ປະເມີນ

$$y$$

ຂັ້ນຕອນທາງອອກສັ້ນ

ຫານ \frac{x^{2}+xy-xz}{\left(x+y\right)^{2}-z^{2}} ດ້ວຍ \frac{x}{\left(x+z\right)^{2}-y^{2}} ໂດຍການຄູນ \frac{x^{2}+xy-xz}{\left(x+y\right)^{2}-z^{2}} ໂດຍຕົວເລກທີ່ກັບກັນຂອງ \frac{x}{\left(x+z\right)^{2}-y^{2}}.

$$\frac{\left(x^{2}+xy-xz\right)\left(\left(x+z\right)^{2}-y^{2}\right)}{\left(\left(x+y\right)^{2}-z^{2}\right)x}\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}}$$

ປັດໃຈທີ່ນິພົດບໍ່ມີຢູ່ໃນ \frac{\left(x^{2}+xy-xz\right)\left(\left(x+z\right)^{2}-y^{2}\right)}{\left(\left(x+y\right)^{2}-z^{2}\right)x}.

$$\frac{x\left(x+y+z\right)\left(x+y-z\right)\left(x-y+z\right)}{x\left(x+y+z\right)\left(x+y-z\right)}\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}}$$

ຍົກເລີກ x\left(x+y+z\right)\left(x+y-z\right) ທັງໃນຕົວເສດ ແລະ ຕົວຫານ.

$$\left(x-y+z\right)\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}}$$

ປັດໃຈທີ່ນິພົດບໍ່ມີຢູ່ໃນ \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}}.

$$\left(x-y+z\right)\times \frac{y\left(x-y-z\right)}{\left(x-y+z\right)\left(x-y-z\right)}$$

ຍົກເລີກ x-y-z ທັງໃນຕົວເສດ ແລະ ຕົວຫານ.

$$\left(x-y+z\right)\times \frac{y}{x-y+z}$$

ຍົກເລີກ x-y+z ແລະ x-y+z.

$$y$$

ບອກຄວາມແຕກຕ່າງ w.r.t. y

$$1$$

ຂັ້ນຕອນການໃຊ້ຄຳນິຍາມຂອງອະນຸພັນ

ຫານ \frac{x^{2}+xy-xz}{\left(x+y\right)^{2}-z^{2}} ດ້ວຍ \frac{x}{\left(x+z\right)^{2}-y^{2}} ໂດຍການຄູນ \frac{x^{2}+xy-xz}{\left(x+y\right)^{2}-z^{2}} ໂດຍຕົວເລກທີ່ກັບກັນຂອງ \frac{x}{\left(x+z\right)^{2}-y^{2}}.

$$\frac{\mathrm{d}}{\mathrm{d}y}(\frac{\left(x^{2}+xy-xz\right)\left(\left(x+z\right)^{2}-y^{2}\right)}{\left(\left(x+y\right)^{2}-z^{2}\right)x}\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}})$$

ປັດໃຈທີ່ນິພົດບໍ່ມີຢູ່ໃນ \frac{\left(x^{2}+xy-xz\right)\left(\left(x+z\right)^{2}-y^{2}\right)}{\left(\left(x+y\right)^{2}-z^{2}\right)x}.

$$\frac{\mathrm{d}}{\mathrm{d}y}(\frac{x\left(x+y+z\right)\left(x+y-z\right)\left(x-y+z\right)}{x\left(x+y+z\right)\left(x+y-z\right)}\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}})$$

ຍົກເລີກ x\left(x+y+z\right)\left(x+y-z\right) ທັງໃນຕົວເສດ ແລະ ຕົວຫານ.

$$\frac{\mathrm{d}}{\mathrm{d}y}(\left(x-y+z\right)\times \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}})$$

ປັດໃຈທີ່ນິພົດບໍ່ມີຢູ່ໃນ \frac{xy-y^{2}-yz}{\left(x-y\right)^{2}-z^{2}}.

$$\frac{\mathrm{d}}{\mathrm{d}y}(\left(x-y+z\right)\times \frac{y\left(x-y-z\right)}{\left(x-y+z\right)\left(x-y-z\right)})$$

ຍົກເລີກ x-y-z ທັງໃນຕົວເສດ ແລະ ຕົວຫານ.

$$\frac{\mathrm{d}}{\mathrm{d}y}(\left(x-y+z\right)\times \frac{y}{x-y+z})$$

ຍົກເລີກ x-y+z ແລະ x-y+z.

$$\frac{\mathrm{d}}{\mathrm{d}y}(y)$$

ອະນຸພັນຂອງ ax^{n} ແມ່ນ nax^{n-1}.

$$y^{1-1}$$

ລົບ 1 ອອກຈາກ 1.

$$y^{0}$$

ສຳລັບ t ໃດກໍຕາມຍົກເວັ້ນ 0, t^{0}=1.

$$1$$