समीकरण 4x - 3(2x + 3) + 128 = 0 के मूलों का योग क्या है?

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  1. 5
  2. 6
  3. 7
  4. 8

Answer (Detailed Solution Below)

Option 3 : 7
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NIMCET 2020 Official Paper
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संकल्पना:

आधार नियम:

यदि xवें घांत तक संवर्धित b, yवें घांत तक संवर्धित b के बराबर है, तो इसका अर्थ है कि x = y है।"

 ⇒ x = y

गणना:

दिया गया समीकरण 4x - 3(2x + 3) + 128 = 0 है। 

⇒ 

⇒ 

⇒ 

⇒ 

⇒ 

⇒ 

⇒ x = 4 या x = 3

समीकरण 4x - 3(2x + 3) + 128 = 0 के मूल 4 और 3 हैं। 

इसका योग = 4 + 3 = 7

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