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UP TGT Mathematics Integration Test Series - Part 4

The order of differential equation of family of circles touching y-axis at origin is:

Type: MCQ • Marks: 1
The order of differential equation of family of circles touching y-axis at origin is:
Options
A. 0
B. 2
C. 3
D. 1
Explanation
Equation is (x - a)² + y² = a² ⇒ x² - 2ax + y² = 0. It has 1 arbitrary constant 'a', so order is 1.
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