AP EAMCET · Maths · Differential Equations
If and are order and degree of a differential equation of all the straight lines at constant distance of units from the origin, then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Any straight lines at constant distance of P units from the origin is given by xcosα+ysinα=P Differentiating both the sides w.r.t. x, we get cosα+dydxsinα=0 i.e. dydx=-cotα⇒cosα=-dydx1+dydx2, sinα=11+dydx2 x-dydx1+dydx2+y11+dydx2=P…
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