The square of a positive integer CANNOT be of the form ( k is an integer) : ( a ) 3k + 1. ( b ) 4K +2. ( c) 5k +1. ( d ) 5k + 4.

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Solution

A)Take example of 81
4
4= 3×1 +1

So a is not the answer

C) Take 81
81=16×5+1
. Therefore C is not the answer

D) Take 64
64=5*12+4
Therefore D is not the answer

The correct answer is 4k+2.No square can be of this form.It is better to do the answer in this way.

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Similar questions

The square of a positive integer CANNOT be of the form (k is an integer): (a) 3k + 1 (b) 4k + 2 (c) 5k + 1

The square of a positive integer cannot be a form/(, K is an integer) :

(a) 3 k + 1

(b) 4 k + 2

(d) 5 k + 4

Good evening,

My doubt is

The square of a positive integer CANNOT be of the form (k is an integer):

(a) 3k + 1 (b) 4k + 2 (c) 5k + 1 (d) 5k + 4

The square of a positive integer cannot be in the form ( k is an integer) .

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