Question

Tolong bantu jawab ya :)

Answer 1

10.
a. (3 + √8)² = 9 + 6√8 + 8
= 17 + 12√2

b. (7 - √6)² = 49 - 14√6 + 6
= 55 - 14√6

c. (√5 + √8)² = 5 + 2√40 + 8
= 13 + 4√10

d. (3√2 - 2√5)² = 3.2 - 2.3.2√10 + 2.5
= 6 - 12√10 + 10
= 16 - 12√10