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Ex 7.1, 1 (i) - Chapter 7 Class 8 Cubes and Cube Roots
Last updated at March 23, 2023 by Teachoo
Ex 7.1
Ex 7.1, 1 (i)
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Ex 7.1, 1 (ii)
Ex 7.1, 1 (iii) Important
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? (i) 216Doing Prime factorization of 216 We see that 216 = 2 × 2 × 2 × 3 × 3 × 3 Since 2 & 3 occur in triplets, ∴ 216 is a perfect cube.
