If xy= 20, then x and y varies ___________________ with each other.
Answers
Ans: Directly or Inversely
Given : xy = 20
To Find : x and y varies ___________________ with each other.
Solution:
xy = 20
20 is constant
=> xy = constant
Hence x and y varies INVERRSLY with each other.
x and y varies INVERRSLY with each other.
Direct variation if a variable increases then other variable also increases with a constant factor y = kx
inverse variation if a variable increases then other variable decreases with a constant factor xy = k
Joint variation is a relationship between atleast three variables, where one variable varies directly with all other variables.
y = kxz
Combined Variation is a relationship between three or more variables where it is in direct variation with few variable and in inverse variation with other variable y = kx/z
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