solve.......the q eqtions

Asked by  | 13th Nov, 2008, 05:27: PM

Expert Answer:

B2- 4AC =0

==>4k2 - 4 (7k-12)=0

k2 - 7k +12 =0

(k-4)(k-3)=0

i.e. k=4 or k=3

Answered by  | 29th Nov, 2008, 02:57: AM

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