if the equations x 2 +ax+b=0 and x 2 +cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac

Question

Sourabh Singh · Answer

Use the values of Discriminant and compare both the equations . After comparing you will get the expression involvinga , b , c ,d .

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if the equations x 2 +ax+b=0 and x 2 +cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac

if the equations x²+ax+b=0 and x²+cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac

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if the equations x 2 +ax+b=0 and x 2 +cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac

if the equations x2+ax+b=0 and x2+cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac

1 Answers

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

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Answer and earn gift vouchers

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if the equations x²+ax+b=0 and x²+cx+d=0 have a common root and the first equation has equal roots,then prove that 2(b+d)=ac