MCQ
$(x+a)^n$ के प्रसार में व्यापक पद है-
- ✓${ }^n C_r x^{n-r} \cdot a^r$
- B${ }^n C_r x^r \cdot a^r$
- C${ }^n C_{n-r} x^{n-r} \cdot a^r$
- D${ }^n C_{n-r} x^r \cdot a^{n-r}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.