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26) If a, b, c, and d are non-zero numbers such that c and d are solutions of x^2+ ax + b = 0 and a and b are solutions of x^2+ cx + d = 0, then a + b + c + d equals?

 

 Mar 4, 2021
edited by Charger421  Mar 4, 2021
 #1
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-2

The correct option is E.

 Mar 4, 2021
 #2
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Can you tell me why?

 Mar 4, 2021
 #3
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It is -2 for anyone who wants the answer

 Mar 4, 2021

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