A) \[a\ne b\]
B) \[{{a}^{2}}={{b}^{2}}\]
C) \[{{a}^{2}}+{{b}^{2}}=0\]
D) \[{{a}^{2}}+{{b}^{2}}\ne 0\]
Correct Answer: D
Solution :
[d] \[{{a}^{2}}+{{b}^{2}}\ne 0\] if \[a=0\] and \[b=0\]. For \[ax+by+c=0\] to be a linear equation in two variables, and b are simultaneously not equal to zero.
You need to login to perform this action.
You will be redirected in
3 sec
