CBSE Class 10 Answered
algebra
Asked by | 12 Feb, 2009, 08:57: PM
Expert Answer
for equal roots of Ax2 + Bx + C = 0 we have B2 = 4AC
so from above eqn (2mc) 2 = 4 (1+m)2 (c2-a2) ====> 4 m2 c2 = 4 ( c2-a2 + m2 c2-a2 m2 )
solving we get c2=a2(1+m2)
Answered by | 13 Feb, 2009, 12:51: AM
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