If y = sec^-1((x+1)/(x-1)) + sin^-1((x-1)/(x+1)), then dy/dx is equal to
0
1
(x-1)/(x+1)
(x+1)/(x-1)
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