Question

(√7+2√3)²=

(4-√6)³=

(2√3-8)(2√3+8)=

Answer 1

1. 7+2√21+12

2. 16-4√6+6

3. 12-64

 

Answer 2

1)

7+4√21+12=19+4√21

2)

16-8√6+6=24-8√6

3)

12-64=-52