Answer:
-1 <= x <= 1
Step-by-step explanation:
√((1-2x+x^2)+2-2x^2)
= √((1-x)^2 + 2*(1-x)(1+x) )
điều kiện là 1 - x > =0 và 1+x >=0
giải 2 bất phương trình trên ta thu đc kết ququả
Answer:
Step-by-step explanation:
Don't have much of one, but just took test
43000 is your answer I know because I know
Answer:
Reflection
Step-by-step explanation:
SAS congruency criteria:
- 2 sides of both triangles are equal
- the angle between these two sides of both triangles are equal
Then, if the two triangles share a common side and satisfy the SAS criteria, reflection would map one onto the other.
