Maths-
General
Easy
Question
The differential equation of all conics with the coordinate axes, is of order
- 1
- 2
- 3
- 4
Hint:
In this question we have to find the order of the differential equation of all conics with the coordinate axis. First we will find the differential equation by differentiating the equation twice then we will get the order.
The correct answer is: 2
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so from
.
u = wants to see
so from
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physics-General
For viewing far objects, concave lenses are used and for concave lens
u = wants to see
; v = can see
so from
.
u = wants to see
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physics-General
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