Let S be the set of all non-zero numbers a such that the quadratic equation αx2
The rate constant of a first order reaction becomes 5 times when the temperature is rai
Amongst LiCl, RbCl, BeCl2 and MgCl2 the compounds with
The area of the region described by $$\left\{ \left( x,y \right) /{ x }^{ 2 }+{ y }^{ 2 }\le and\
