The derivative of ln(x + sin x) with respect to (x + cos x) is
(1 + cos x) / ((x + sin x)(1 - sin x))
(1 - cos x) / ((x + sin x)(1 + sin x))
(1 - cos x) / ((x - sin x)(1 + cos x))
(1 + cos x) / ((x - sin x)(1 - cos x))
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