MCQ
જો $\left( {\begin{array}{*{20}{c}}
{{a^2} + a} \\
3
\end{array}} \right) = \left( {\begin{array}{*{20}{c}}
{{a^2} + a} \\
9
\end{array}} \right)\,$ હોય, તો $a\, = \,\,........$
{{a^2} + a} \\
3
\end{array}} \right) = \left( {\begin{array}{*{20}{c}}
{{a^2} + a} \\
9
\end{array}} \right)\,$ હોય, તો $a\, = \,\,........$
- A$3$
- B$9$
- C$12$
- D$6$