MCQ
सही सर्वसमिका है
- A$(x+a)(x+b)=x+(a-b) x^2+a b$
- ✓$(x+a)(x+b)=x^2+(a+b) x+a b$
- C$(x+a)(x+b)=x^2+(a-b) x-a b$
- D$(x+a)(x+b)=x^2+(a) x-a b$
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