Chapter 1

NCERT
Class 9
Mathematics
Solutions
1. Find : (i) 64 1/2

Question:

Find : (i) 641/2 (ii) 321/5 (iii) 1251/3

Answer:

(i) (64)1/2 = (8 × 8)1/2 = (82)1/2 = 8

(ii) (32)1/5 = (2×2×2×2×2)1/5

= (25)1/5 = 2

(iii) (125)1/3 = (5×5×5)1/3

= (53)1/3 = 5

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