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9. Quadratic Surd
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Q7 of 81 Page 161

If let us calculate the simplified value of


If y = 2-√3


Then;



Simplifying it we get;



= = 2 + √3


y + = 2 – √3 + [2 + √3] = 4


(y + )2 = y2 + []2 + 2 × y ×


(4)2 = y2 + []2 + 2


y2 + []2 = 16 – 2 = 14


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Questions · 81
9. Quadratic Surd
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