3 akar 2 x 7 akar 32

Jawabannya : 3×2×7×4
= 168

(3√2) x (7√32)
=(3√2) x (7 x 4√2) --> √32 kalo disederhanakan jd 4√2
=(3√2) x (28√2)
=3 x 28 x √2 x √2
=84 x 2
=168