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200^2 − 2(200)(199) + 199^2 =

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SVP
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Status: Preparing GMAT
Joined: 02 Nov 2016
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Location: Pakistan
GPA: 3.39
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200^2 − 2(200)(199) + 199^2 =  [#permalink]

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New post 04 Mar 2017, 12:43
1
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

79% (00:59) correct 21% (01:35) wrong based on 54 sessions

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200^2 − 2(200)(199) + 199^2 =

(A) −79,201
(B) −200
(C) 1
(D) 200
(E) 79,999

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Re: 200^2 − 2(200)(199) + 199^2 =  [#permalink]

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New post 04 Mar 2017, 23:53
SajjadAhmad wrote:
200^2 − 2(200)(199) + 199^2 =

(A) −79,201
(B) −200
(C) 1
(D) 200
(E) 79,999


\(200^2 − 2(200)(199) + 199^2 = ( 200 - 199 )^2\)

( 200 - 199 )^2 = 1^2

Thus, answer must be (C) 1

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Re: 200^2 − 2(200)(199) + 199^2 = &nbs [#permalink] 04 Mar 2017, 23:53
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200^2 − 2(200)(199) + 199^2 =

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