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Q: Write the expanded form of (4a + 6b + 9c)². (4a + 6b + 9c)² को विस्तारित रूप में लिखिए।
  • A. 16a² + 36b² + 81c² + 48ab + 103bc + 72ac
  • B. 16a² + 36b² + 81c² + 48ab + 108bc + 82ac
  • C. 16a² + 36b² + 81c² + 48ab + 108bc + 72 ac
  • D. 16a² + 36b² + 81c² + 52ab + 108bc + 72ac
Correct Answer: Option C - दिया गया है– (4a + 6b + 9c)² = (4a)²+(6b)²+(9c)²+2.4a.6b+2.6b.9c+2.9c.4a =16a²+36b²+81c²+48ab+108bc+72ac
C. दिया गया है– (4a + 6b + 9c)² = (4a)²+(6b)²+(9c)²+2.4a.6b+2.6b.9c+2.9c.4a =16a²+36b²+81c²+48ab+108bc+72ac

Explanations:

दिया गया है– (4a + 6b + 9c)² = (4a)²+(6b)²+(9c)²+2.4a.6b+2.6b.9c+2.9c.4a =16a²+36b²+81c²+48ab+108bc+72ac