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CBSE Class 10 Answered

Quadratic Equation- finding the root quadratic using factorization
Asked by | 04 Mar, 2008, 07:45: PM
Expert Answer

D= 81(a+b)^2- 36(2a2+5ab+2b2 )

   = -9 a^2- 9b^2-18ab

therefore, x= [9(a+b)+ 3(a+b)] / 18 and [9(a+b)- 3(a+b)]/ 18

 x=2(a+b)/3 and (a+b)/3

Answered by | 12 Mar, 2008, 03:11: PM
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