Question

Hitunglah
a.3√2 × 5√2
b.2√2×3√3×4√5
c.(√3×√3×√5)
d.√3(2√3-5)

Answer 1

A.30
b.24akar30
c.3akar5
d.1

Answer 2

A)
3√2 x 5√2
= (3x5)(√2x√2)
= 15√4
= 15x2
= 30

b)
2√2 x 3√3 x 4√5
= (2x3x4)(√2x√3x√5)
= 24√30

c)
(√3x√3x√5)
= √45
= √(9x5)
= 3√5

d)
√3(2√3 - 5)
= √3 x 2√3 + √3 x (-5)
= 2√9 - √15
= 2x3 - √15
= 6 - √15