Answer:
A:(4,2) B:(1,2) C:(1,3)
Step-by-step explanation:
During a rotation 90 degrees ccw the points go from (x,y) to (-y,x)
I dont think i can do the first one. but for the second one im pretty sure its 10.
I think the answer to the property of complex numbers is demonstrated below is Commutative Property of Addition. Option number 4 is correct.
(a) If there is a scalar function f(x, y) such that ∇ f(x, y) = x² i + y² j, then
∂f/∂x = x²
∂f/∂y = y²
Integrating both of these equations with respect to x and y (respectively) gives
f(x, y) = 1/3 x³ + g(y)
f(x, y) = 1/3 y³ + h(x)
Differentiating with respect to the other variable gives
∂f/∂y = g'(y) = y²
∂f/∂x = h'(x) = x²
so it follows that
f(x, y) = 1/3 x³ + 1/3 y³ + C
for some constant C.
(b) By the gradient theorem,

Answer:
Assuming your equations are:
x-3y=3
4x+3y=-3
The answers are x = 0 and y = -1.
See the image for the graph.
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Step-by-step explanation:
See the image for the graph.