Question

Find the cube roots of the following numbers by the shortcut method. Verify
the answers.
(a) 6859
(b) 54872 (c) 884736
(d) 421875
(e) 300763
(f) 551368​

Answer 1

Answer:

a) 6859 = 19 × 19 × 19

6859 = 19³

•°• ³√6859 = 19

b)54872=38×38×38

54872=38³

•°•³√54872=38

c)884736=96×96×96

884736=96³

•°•³√884735=96

d)421875=75×75×75

421875=75³

•°•³√421875=75

e)300763=67×67×67

300763=67³

•°•³√300763=67

f)551368=82×82×82

551368=82³

•°•³√551368=82