Question

TUNTUI 90 is 90 = 2 x 3 x 3 x 5.
We see that prime factors 2 and 5 are not in pairs. Therefore 90 is not a perheen
are.
In order to get a perfect square, each factor of 90 must be paired. So we need to
e pairs of 2 and 5. Therefore, 90 should be multiplied by 2 x 5.1.e., 10
ce, the required square number is 90 x 10 =900,
EXERCISE 6.3
What could be the possible 'one's' digits of the square root of each of the following
numbers?
(i) 9801
(ii) 99856
(iii) 998001 (iv) 657666025
Without doing any calculation, find the numbers which are surely not perfect squares
,
(i) 153
(ii) 257
(i) 408
(IV) 441
Find the square roots of 100 and 169 by the method of repeated subtraction
Find the square roots of the following numbers by the Prime Factorisation Method
(iv) 4096
(vii) 5929
(ul) 1764
(viii) 9216
(i) 729
(V) 7744
(ii) 400
(vi) 9604
8100
should​

Answer 1

you are studying the history level and b and you have the ability and knowledge