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9. Quadratic Surd
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Q7 of 81 Page 161

If let us calculate the simplified value of

x = 2 + √3


y = 2 – √3


xy = (2 + √3) × ( 2-√3)


xy = (2)2 – (√3)2


= 4 – 3


= 1


= = 1 + 1 = 2


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Questions · 81
9. Quadratic Surd
1 1 1 1 1 2 3 4 5 6 6 6 6 6 6 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 4 5 6 6 6 6 6 6 7 7 7 8 8 1 1 2 2 2 2 3 4 4 4 4 5 6 6 6 6 7 7 7 7 7 8 9 10 10 10 10 10 10 10 11 11 11 11 11
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