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If m and n are respectively the order an...

If m and n are respectively the order and degree of the differential equation of the family of parabolas with focus at the origin and X-axis as its axis , the mn-m + n=

A

1

B

4

C

3

D

2

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-DIFFERENTIAL EQUATIONS -COMPETITIVE THINKING
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  2. The differential equation of the family of parabolas with focus at the...

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  3. If m and n are respectively the order and degree of the differential e...

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  4. The differential equation of all parabolas having their axes of symmet...

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  5. All parabolas whose axis is the Y-axis.

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  6. Form the differential equation of the family of circles touching th...

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  7. Form the differential equation of the family of circles touching th...

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  9. Find the differential equation of all straight lines, which are at a u...

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  14. Solution of the differential equation x("dy"/"dx")^2 + 2 sqrt(xy) "dy"...

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  15. The order of the differential equation (dx)/x +(dy)/y = 0 is

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  16. The solution of the differential equation x(dy)/(dx)-y+3=0 represents ...

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  17. Solution of the differential equation (dy)/(dx)=(y(1+x))/(x(y-1)) is

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