MCQ
${{\left( x+5 \right)}^{6}}$નાવિસ્તરણમાં${{T}_{1}}=729$તો..............
- A${{T}_{2}}=7290,x=-3$
- B${{T}_{3}}=-30375,x=3$
- C$x=3,{{T}_{2}}=-7290$
- ✓${{T}_{4}}=\pm 67500,x=\pm 3$
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