Question

Simplify the following –

i. (2 + √3)(3 + √7)
ii. (4 + √2)(4 - √2)

ii. (√5 + √2)(√5 - √2)
iv. (√5 + √11)2​

Answer 1

Step-by-step explanation:

i.

$6 + 2 \sqrt{7} + 3 \sqrt{3} + \sqrt{21}$

ii.16-2=14

iii.5-2=3

iv.

$2 \sqrt{5} + 2 \sqrt{11}$