Question

Q.6 (A) Find the square root of the following numbers using prime factorization as
well as tricky method.
1. 4096
b) 529
Q.6 (B) Find the cube root of the following numbers.
1.857375
b) 91125​

Answer 1

Answer:

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Answer 2

A)

1. is in attached image

b) By using prime factorisation method:

529=23×23

Taking square root on both the sides, we get 529 = ,23 × 23

= 23

B)

1. 857375 = 5 × 5 × 5 × 19 × 19 × 19

cube root of 857375 = 95

b). 91125 = 5³ × 3³ × 3³

= 45³

Cube root of 91125 is = 45