search
arrow-left Previous
Next arrow-right
Q: Write the expanded form of (3a + 6b + 5c)². (3a + 6b + 5c)² को विस्तारित रूप में लिखिए।
  • A. 9a² + 36b² + 25c² + 36ab + 60bc + 30ac
  • B. 9a² + 36b² + 25c² + 36ab + 55bc + 30ac
  • C. 9a² + 36b² + 25c² + 40ab + 60bc + 30ac
  • D. 9a² + 36b² + 25c² + 36ab + 60bc + 40ac
Correct Answer: Option A - प्रश्नानुसार, (3a + 6b + 5c)² =(3a)²+(6b)2+(5c)²+2.3a.6b+2.6b.5c+2.5c.3a =9a²+36b²+25c²+36ab+60bc+30ca =9a²+36b²+25c²+36ab+60bc+30ac
A. प्रश्नानुसार, (3a + 6b + 5c)² =(3a)²+(6b)2+(5c)²+2.3a.6b+2.6b.5c+2.5c.3a =9a²+36b²+25c²+36ab+60bc+30ca =9a²+36b²+25c²+36ab+60bc+30ac

Explanations:

प्रश्नानुसार, (3a + 6b + 5c)² =(3a)²+(6b)2+(5c)²+2.3a.6b+2.6b.5c+2.5c.3a =9a²+36b²+25c²+36ab+60bc+30ca =9a²+36b²+25c²+36ab+60bc+30ac