Answers

  • qais
  • Content Quality
2016-02-10T08:57:36+05:30
Equation is x² - 2ax -(4b² -a²) =0
rearrange the terms,
(x² -2ax +a²) = 4b²
⇒(x -a)² = (2b)²
⇒(x -a) =2b or, (x -a) = -2b
⇒x = (a +2b) or x= (a -2b)
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