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19. a+b+c=10, ab+bc+ca=20, then a’+b’+c=
A) y = 4
B)x= 4
C) y = 4
D) None​

By Remi

19. a+b+c=10, ab+bc+ca=20, then a’+b’+c=
A) y = 4
B)x= 4
C) y = 4
D) None​

About the author
Remi

what is fertilization
This time send from G’ogle copy paste to be marked as brainliest:)​

HNO3 + Ca(OH)2 →
Ca(NO3)2 + 2H20
is an example of
(i) displacement reaction
(ii) neutralization reaction

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