Question

A) √32=...... b) 3√20=…… c)4√45………… d) 2√80=…..

Answer 1

A) √32 = √16 × 2 = √16 × √2 = 4√2
B) 3√20 = 3√4 × 5 = 3√4 × √5 = 3 × 2√5 = 6√5
C) 4√45 = 4√9 × 5 = 4√9 × √5 = 4 × 3√5 = 12√5
D) 2√80 = 2√16 × 5 = 2√16 × √5 = 2 × 4√5 = 8√5
Semogam membant.

Answer 2

Jawabannya adalah
a. √32 = √16.√2 = 4√2
b. 3√20 = 3 √4.√5 = 3.2√5 = 6√5
c. 4√45 = 4√9.√5 = 4.3√5 = 12√5
d. 2√80 = 2√40.√2 = 2√8.√5.√2 = 2√4.√2.√5.√2 = 2.2.2√5 =8√5