CBSE Class 10 Answered
help..........
Asked by kirtichawla94 | 03 Jul, 2009, 10:57: PM
Expert Answer
this can happen when the eqn has real and equal roots,
i.e. when the discriminant of the equation is zero.
i.e. when
[(2k+4)(2k+4)]-[4((4-k)(8k+1)]=0
solving we get
k=0 or
k=3
Answered by | 04 Jul, 2009, 12:23: AM
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