Question

which of the following is not a perfect square
a) 361
b) 1156
c) 1128
d) 1681
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Answer 1

Answer:

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Step-by-step explanation:

the c) option is correct 1128 is not a perfect square

Answer 2

Answer:

QUESTION :-

which of the following is not a perfect square

a) 361

b) 1156

c) 1128

d) 1681

ANSWER :-

$a) \\ 361 = \sqrt{361} \\ \sqrt{19 \times 19} \\ 19 \\ \\ it \: is \: perfect \: square$

$b)1156 = \sqrt{1156} \\ = \sqrt{34 \times 43} \\ = 34 \\ it \: is \: perfect \: square$

$c)1128 = \sqrt{1128} \\ \\ = \sqrt{33.333 \times 33.333} \\ \\ = 33.333 \\ it \: is \: not \: perfect \: square$

$d)1681 = \sqrt{1681} \\ = \sqrt{41 \times 41} \\ = 41 \\ it \: is \: perfect \: square$

BY DATA

1128 is a not a perfect square