131. |
If c1, c2, c3, c4, c5, c6 are constants, the order of the differential equation
y = c1cos(x + c2) + c3sin(x + c4) + c5ex + c6 is _____.
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Answer:
Option (b) |
132. |
If the slope of the family of curves of lines is equal to y - intercept, its differential equation is _____.
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Answer:
Option (a) |
133. |
The order and degree of family of curves differential equation satisfying are _____. where c is arbitrary constant.
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Answer:
Option (d) |
134. |
The differential equation satisfying y = xecx (where c is arbitrary constant) is _____.
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Answer:
Option (c) |
135. |
The integrating factor of the differential equation is _____.
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Answer:
Option (c) |
136. |
The general solution of differential equation is _____.
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Answer:
Option (b) |
137. |
The differential equation of family of curves y = e2x(a cosx + b sinx),(where a and b are arbitrary constants.)
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Answer:
Option (a) |
138. |
If the general solution of differential equation is y = c1e-2x + c2x + c3, then c1 = _____.
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Answer:
Option (c) |
139. |
The differential equation of family of circles whose radius is 5 and whose centre lie on y = 2 is _____.
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Answer:
Option (a) |
140. |
The differential equation of the family of circles passing through origin and whose centre lies on X - axis is _____.
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Answer:
Option (a) |