Question

Binary equation

$x { }^{2} = 5$
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Answer 1

Answer:

x²=5

x=✓5=2.2360

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Answer 2

Given Quadratic equation :-

x² = 5

Solution :-

x² - 5 = 0

x² - ( √5 ) ² = 0

( x + √5 ) ( x - √5 ) = 0 [ a² - b² = (a+b) (a-b) ]

Either ,

x + √5 = 0 or x- √5 = 0

x = -√5 x = √5

Therefore , x = √5 , - √5 .