Question

The quadratic equation whose roots are 1/2 and - 1/2 is
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Answer 1

4x^2 - 1 = 0

Explanation:

x = 1/2, x = -1/2

2x = 1, 2x = - 1

2x - 1 = 0, 2x + 1 = 0

( 2x - 1 )( 2x + 1 ) = 0

4x^2 - 1 = 0