The equation of a circle whose end points of a diameter are (x1, y1) and (x2, y2) is
(x–x1)(x–x2) + (y–y1)(y–y2) = x^2 + y^2
x^2 + y^2 – x1x – x2x – y1y – y2y = 0
x^2 + y^2 – x1x – x2x + 2x1y2 = 0
(x–x1)(x–x2) + (y–y1)(y–y2) = 0
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