CBSE Class 10 Answered
please solve this
Asked by | 03 Feb, 2009, 05:40: PM
Expert Answer
for equal roots for the eqn Ax2 + Bx + C =0. the condotion is B2 = 4AC for above eqn we have A+B+C = 0 [ B = -(A+C) ] here A = a-b , B = b-c , C= c-a so (A+C)2 = 4AC solving we get A = C putting values we get a - b = c - a
====> 2a = b+c
Answered by | 03 Feb, 2009, 06:51: PM
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