Question

The square root of 400 is
2
400
1200
400 = V (2x2)x(2 x 2)x(5x5)
= 2x2x5
= 20
100
2
50
25
Exercise - 6.2
Find the square roots of the following numbers by Prime factorization method.
441 (i) 784 (i) 4096 (iv) 7056
Sale 2019-20​

Answer 1

Answer:

square root of 441=3*3*7*7=21*21=21

784=2*2*2*2*7*7=28*28=28

4096=2*2*2*2*2*2=8*8=8