The polar coordinate system.
Answer:
c
Step-by-step explanation:
The answer should be an acute scalene triangle.
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Answer:
( x y -6)² = x² y² - 12 xy + 36
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that the expression ( x y -6)²
Apply formula (a-b)² = a² -2ab + b²
( x y -6)² = (xy)² - 2 × xy× 6 + (6)²
= x² y² - 12 xy + 36
( x y -6)² = x² y² - 12 xy + 36
9x +1= 0
9x/9 +1-1=0
X= 9-1
X= 8