Step-by-step explanation:
Using Binomial Expansion,
(x + y)³
= 3C0 * x³ + 3C1 * x²y + 3C2 * xy² + 3C3 * y³.
Therefore the coefficient of xy² is 3C2 = 3.
Answer:
8
Step-by-step explanation:
logic
Answer:
the lines are perpendicular
Equation 1:
Answer:
x = 1.22
Step-by-step explanation:
x = 1.22
Equation 2:
Answer:
x = -13.97
Step-by-step explanation:
x = -13.97