MCQ
જો $x=.......$ તો $\left( \begin{matrix} x-1 \\ 4 \\\end{matrix} \right)-\left( \begin{matrix} x-1 \\ 3 \\\end{matrix} \right)<\frac{5}{4}\,{{\,}_{\left( x-2 \right)}}{{P}_{2}}$
- ✓$5,6,7,8,9,10$
- B$13,14$
- C$14 $
- D$13$
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જ્યાં $a$ અને $b$ એ ગુ.સા.અ. $(a, b)=1$ હોય તેવા પૂણાઁકો છે, તો $11 a+18 b=$............