Grade 11Algebra
Roots of equation x.x -10cx-11d=0 are a and b and those of x.x -10ax-11b=0 are c and d. Then a+b+c+d=?
Roots of equation x.x -10cx-11d=0 are a and b and those of x.x -10ax-11b=0 are c and d. Then a+b+c+d=?
1 Answer
Vikas TU
From first eqn.
a+b that is sum of roots => 10c
From second eqn.
c+d = >10a
Therfore,
a+b+c+d = 10(a+c)
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