A) 2
B) 7
C) \[-9\]
D) All of these
Correct Answer: D
Solution :
[d] Applying \[{{R}_{1}}\to {{R}_{1}}+{{R}_{2}}+{{R}_{3}}\] \[\Rightarrow (x+9)(x-2)(x-7)=0\] \[~\Rightarrow x=2,7,-9\] Hence option [d] is correct.You need to login to perform this action.
You will be redirected in
3 sec