1-Which of the following numbers are perfect squares?
(a)3364 (b)4489 (c)4358
2-Using the property of squares , find the value of the following.
(a)242
- 232
(b)502
– 492
(c)1052
– 1042
3-Without adding find the sum.
(a)1+3+5+7+9
(b)1+3+5+7+9+11+13+15_17+19+21+23
4-Find the square root of the following by prime factorisation method.
(a)1024 (b)8836 (c)8464
5-Find the smallest number by which 2475 must be multiplied to get a perfect square .
6-4096 soldiers are arranged in an auditorium in such a manner that there are as many
soldiers in a row as there are rows in the auditorium.How many rows are there in the
auditorium?
7-Find the least perfect square exactly divisible by each one of the numbers 4, 5, 10.
8-Find the least square number exactly divisible by each one of the numbers 6, 9, 10, 15 and
20 .
9-Find the least number which must be added to 4215 to make it a perfect square.
10-Find the lest number which should be subtracted from 984 to make it a perfect square
.Also find the square root of this perfect square.
Answers
Answered by
0
Answer:
x=3+2
2
x
1
=
3+2
2
1
×
3−2
2
3−2
2
=3−2
2
(
x
−
2
1
)
2
=x+
x
1
−2
=3+2
2
+3−2
2
−2=4
So,
x
−
x
1
=
4
=±12 Ans
Answered by
0
Answer:
1) a and b
Step-by-step explanation:
a) 58*58=3364
for 58 square is 3364
b) 67*67= 4489
for 67 square is 4489
c) 4358 is not a perfect square because it can't be square root
thus option a and b are correct options
Similar questions