If A and B are the two real values of k ...

If A and B are the two real values of k for which the system of equations `x+2y+z=1, x+3y+4z=k, x+5y+10z=k^(2)` is consistent, then A+B =

A

3

B

4

C

5

D

7

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The correct Answer is:

A

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