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Question

Find the roots by method of completing the square :3x27x20=0
 


Solution

3x237x3203=03
(Dividing by 3 on both sieds)
x27x3203=0
x27x349364936203=4936(x76)2=4936+203(x76)2=4936+203×1212(x76)2=493624036(x76)2=28936(x76)28936x76=+176x76=+176x=76+176x76176=246=4=106=53

All India Test Series

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