Herleiden » Machten herleiden
Rekenregels | ||
Getalvoorbeelden | Formulevoorbeelden | Algemene formule |
23 × 24 = 27 | x3 × x5 = x8 | an × am = an + m |
3532 = 33 | x7x4 = x3 | anam = an – m |
(23)4 = 212 | (x2)3 = x6 | (an)m = an × m |
(2 × 3)4 = 24 × 34 | (xy)3 = x3y3 | (ab)n = anbn |
(35)4 = 3454 = 81625 | (xy)4 = x4y4 | (ab)n = anbn |
Voorbeeld 1
(2a)3 – a × 7a2 = 8a3 – 7a3 = a3
Voorbeeld 2
2a4 × 3(2a)3 = 2a4 × 38a3 = 2a4 × 38a3 = 6a48a3 = 3a4 = 34a