Question

Exercise 3.1
2
16
e) SO
.
membe
sa por
-1) =
1. Using prime factorisation, state which of the following are perfect square
2061
b) 1928
c) 2404
Find the squares of the following numbers:
b) (-32)
c) 35
f) 65
9 (-15)
What is the smallest number by which 539 should be multiplied so that the product a prica que
What is the smallest sumber by which 13068 should be divided, so the guests
i Which of the following numbers would have digit 1 at is unit's place whale sering the following
numbers?
a) 11
b) 35
c) 49
d) 51
e) 66
f) 79
g) 81
b) 95
Express each of the following perfect squares as the sum of first eodé nebo
a) 36
b) 64
c) 81
Wnte a Pythagorean triplet whose one members
a) 14
b) 10
c) 16
Write the following as the sum of two consecutive positive me
a) (151
6) (11)
d) 217
Without actually squaring, find the value of the following
a) 219-20-
b) 34 - 33
Determine the digits at the unit's place in the squares ofte following users
a) 46
b) 50
c) 97
& 132
e) 258
1) 315
b) 525
Write four numbers, which you can decide only by observing their one's day hey
nurnber
i 442
-
Without actual addition, find the sum of the following
a) 1 + 3-5-7-9-11
b) 1 - 3 - 5 - 7-9 - 11 + 13 - 15 - 17 - 19
c) 1 3 - 5 -9-11 - 13 - 15 - 17 - 19 - 21 - 23 - 25 - 27
d) 1-3-5-7-9-11-13-15-17-19-21-23 - 25 - 27 - 29 - 31
Which of the following are squares of edilmir?
a 9
b) 36
) 169
b) 576
e) 100
e) 256​

Answer 1

Answer:

1928=Ans...

Step-by-step explanation:

let no. be t ,t=1928.