Ex 7.2, 1 (vi) - Chapter 7 Class 8 Cubes and Cube Roots
Last updated at Sept. 1, 2021 by Teachoo
Ex 7.2
Ex 7.2, 1 (i)
Ex 7.2, 1 (ii) Important
Ex 7.2, 1 (iii)
Ex 7.2, 1 (iv) Important
Ex 7.2, 1 (v)
Ex 7.2, 1 (vi) You are here
Ex 7.2, 1 (vii) Important
Ex 7.2, 1 (viii)
Ex 7.2, 1 (ix) Important
Ex 7.2, 1 (x)
Ex 7.2, 2 (i)
Ex 7.2, 2 (ii) Important
Ex 7.2, 2 (iii)
Ex 7.2, 2 (iv)
Ex 7.2, 2 (v) Important
Ex 7.2, 2 (vi) Important
Ex 7.2, 2 (vii)
Ex 7.2, 3 Important
Transcript
Ex 7.2, 1 Find the cube root of each of the following numbers by prime factorisation method. (vi) 13824We see that 13824 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 Since all factors occur in triplets ∴ 13824 is a perfect cube. Cube root of 13824 = 2 × 2 × 2 × 3 = 4 × 6 = 24
