ແກ້ 1/sqrt{2}=(frac{sqrt{2}}{sqrt{2}*sqrt{2}})=frac{sqrt{2}}{2}

$$\frac { 1 } { \sqrt { 2 } } = ( \frac { \sqrt { 2 } } { \sqrt { 2 } \cdot \sqrt { 2 } } ) = \frac { \sqrt { 2 } } { 2 }$$

ຢັ້ງຢືນ

ຂັ້ນຕອນການແກ້

ຄູນ \sqrt{2} ກັບ \sqrt{2} ເພື່ອໃຫ້ໄດ້ 2.

$$\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2}\text{ and }\frac{\sqrt{2}}{\sqrt{2}\sqrt{2}}=\frac{\sqrt{2}}{2}$$

ຄູນ \sqrt{2} ກັບ \sqrt{2} ເພື່ອໃຫ້ໄດ້ 2.

$$\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2}\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ໃຊ້ເຫດຜົນຕັດສິນຕົວຫານຂອງ \frac{1}{\sqrt{2}} ໂດຍການຫານຕົວເສດ ແລະ ຕົວຫານໂດຍ \sqrt{2}.

$$\frac{\sqrt{2}}{\left(\sqrt{2}\right)^{2}}=\frac{\sqrt{2}}{2}\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ຮາກຂອງ \sqrt{2} ແມ່ນ 2.

$$\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ລົບ \frac{\sqrt{2}}{2} ອອກຈາກທັງສອງຂ້າງ.

$$\frac{\sqrt{2}}{2}-\frac{\sqrt{2}}{2}=0\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ຮວມ \frac{\sqrt{2}}{2} ແລະ -\frac{\sqrt{2}}{2} ເພື່ອຮັບ 0.

$$0=0\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ປຽບທຽບ 0 ກັບ 0.

$$\text{true}\text{ and }\frac{\sqrt{2}}{2}=\frac{\sqrt{2}}{2}$$

ລົບ \frac{\sqrt{2}}{2} ອອກຈາກທັງສອງຂ້າງ.

$$\text{true}\text{ and }\frac{\sqrt{2}}{2}-\frac{\sqrt{2}}{2}=0$$

ຮວມ \frac{\sqrt{2}}{2} ແລະ -\frac{\sqrt{2}}{2} ເພື່ອຮັບ 0.

$$\text{true}\text{ and }0=0$$

ປຽບທຽບ 0 ກັບ 0.

$$\text{true}\text{ and }\text{true}$$

ການຮວມກັນຂອງ \text{true} ແລະ \text{true} ແມ່ນ \text{true}.

$$\text{true}$$