What is the general solution of the differential equation e^x tan y dx + (1 - e^x) sec^2 y dy = 0 ?
sin y = c(1 - e^x)
cos y = c(1 - e^x)
cot y = c(1 - e^x)
None of the above
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy