Q10 of 81 Page 161

The product of is

(5-√3)(√3-1)(5 + √3)(√3 + 1)


(5-√3)(5 + √3)(√3-1)(√3 + 1)


(52 – (√3)2)((√3)2 – 12)


(25 – 3)(3 – 1)


22 × 2 = 44

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Let us fill up the blank:

i. a _________ number (rational/ irrational)


ii. Conjugate surd of is ________.


iii. If the product and sum of two quadratic surds is a rational number, then the surds are _________ surds.