Answer:
Y=3x(x-4)
Step-by-step explanation:
Step-by-step explanation:
The numerical expression is:
(36 + 14) / (2 * 5).
Opening brackets gives;
4-8v=-8v+4
Putting like terms together;
4-4=-8v+8v
0=0
There is no solution thus.
Answer:k=1,k=-2,k=
Step-by-step explanation:
Given two vectors


Distance between them is given by

squaring both side



k=1

angle between u and v is 90 i.e. orthogonal

=0
2+k=0
k=-2

angle between u & v is 





=0
k=