Sagot :
a) TRUE by DPMA
b) TRUE
c) TRUE additive inverse is the negative counterpart
d) FALSE by DPMA it should be -84+14x
c) TRUE
f) FALSE it is 1/9
b) TRUE
c) TRUE additive inverse is the negative counterpart
d) FALSE by DPMA it should be -84+14x
c) TRUE
f) FALSE it is 1/9