CBSE Class 10 Answered
pleas solve this poblem
Asked by | 05 Aug, 2008, 12:44: PM
Expert Answer
the condition for the 2 roots to be equal is b2 - 4ac = 0
( 2mc )2 == 4 ( 1 +m 2) (c2 - a2)
4 m2 c2 == 4 [ c2+m2c2- a2+ m2a2 ]
m2c2 = c2 +m2 c2- a2 + m2a2 ===>.c2 == a2( 1 + m2)
therefore c2 =a2 ( 1 + m2)
Answered by | 05 Aug, 2008, 05:41: PM
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