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- If x =
2a +1+√√2a - 1
√2a +1-√√2a-1
, prove that : x²
-
4ax + 1 = C

1 Answer

2 votes

Final answer:

The question asks to prove a quadratic identity, which typically involves expanding and simplifying expressions. Due to potential typos, a clear solution cannot be provided, but a general approach would include expansion, computation, and simplification to prove the given equation.

Step-by-step explanation:

The student's question involves proving the identity x² - 4ax + 1 = 0 given x = 2a + 1 + √(2a - 1) √(2a + 1) - √(2a - 1). This appears to be a quadratic equation problem where we need to expand the given expression for x and then simplify it to prove the identity. Unfortunately, as the question is stated, with potential typographical errors, it's challenging to provide a clear step-by-step solution. However, in general terms, to solve such a proof:

  1. Expand the expression for x.
  2. Compute x².
  3. Simplify the expression.
  4. Show that the simplified form of x² equates to 4ax - 1.

One would normally consider using factoring techniques, foil method, or the quadratic formula to solve or prove a given quadratic equation. It is important to pay careful attention to each step and ensure each operation follows the rules of algebraic manipulation.

User James Barnett
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