If a,b are the roots of x^2 - 10cx-11d =...

If a,b are the roots of `x^2 - 10cx-11d = 0` and c,d are roods of `x^2- 10ax - 11b = 0` then value of a+b+c+d is:

A

1210

B

`-1`

C

2530

D

`-11`

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The correct Answer is:

A

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