Find the value of K
Asked by sunil_0010 | 22nd Jun, 2009, 03:38: PM
since -4 is a root of the given quad.eqn,
x=-4 must satisfy that equation.
i.e. on putting x=-4, the LHS must be equal to the RHS.
so, we get,
So the other equation becomes,
this equation has equal roots.So, the value of the discriminant for that eqn must be equal to zero.
which gives us that
Answered by | 22nd Jun, 2009, 05:38: PM
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