MCQ
वर्ग अन्तराल $\mathrm{a}-\mathrm{b}$ का वर्ग चिन्ह क्या होगा?
- ✓$\frac{a+b}{2}$
- B$\frac{a-b}{2}$
- C$\frac{a}{2}$
- D$\frac{a^{2}-b^{2}}{2}$
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