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Ex 7.1, 1 (iii) - Chapter 7 Class 8 Cubes and Cube Roots
Last updated at Sept. 1, 2021 by Teachoo
Ex 7.1
Ex 7.1, 1 (i)
Ex 7.1, 1 (ii)
Ex 7.1, 1 (iii) Important You are here
Ex 7.1, 1 (iv)
Ex 7.1, 1 (v) Important
Ex 7.1, 2 (i)
Ex 7.1, 2 (ii) Important
Ex 7.1, 2 (iii)
Ex 7.1, 2 (iv) Important
Ex 7.1, 2 (v)
Ex 7.1, 3 (i) Important
Ex 7.1, 3 (ii)
Ex 7.1, 3 (iii)
Ex 7.1, 3 (iv) Important
Ex 7.1, 3 (v)
Ex 7.1, 4 Important
Transcript
Ex 7.1, 1 Which of the following numbers are not perfect cubes? (iii) 1000 Doing Prime factorization of 1000 We see that 1000 = 2 × 2 × 2 × 5 × 5 × 5 Since 2 & 5 occur in triplets, ∴ 1000 is a perfect cube.
