Question

1. Find the square root of the following
numbers using the method mentioned.
Numbers
Method
a) 256, 361, 225
Prime factorisation
b) 36, 81, 121
Estimation
c) 169, 144, 324
Subtraction
d) 4761, 7921, 4225 Division​

Answer 1

Answer:

Answer is 16 of (a) 256

Step-by-step explanation:

resolve 256 into product of prime we get

As

2/256

2/128

2/64

2/32

2/16

2/16

2/8

2/4

2/2

256=(2×2)×(2×2)×(2×2)× (2×2)

√256= 2×2×2×2=16

therefore,√256=16