∂t/∂x = -46x/(8 +x² +y²)²
∂t/∂y = -46y/(8 +x² +y²)²
At (x, y) = (1, 1)
.. ∂t/∂x = -46/100
.. ∂t/∂y = -46/100
X = 0.093
Hope this helps!
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Use Power of a Point; 180-60=120º
Answer: 
Step-by-step explanation:
Find the quotient of 
Step 1: Break down the polynomial equation
+
- 
Step 2: Divide each piece by dividing the coeffients and subtracting the variables.
16 ÷ 8 = 2
-
=
→ 2
40 ÷ 8 = 5
-
=
→ 5
- 24 ÷ 8 = - 3
-
= 1 → - 3
Step 3: Put the polynomial together
2
+ 5
- 3