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If (x - y)^2 = x^2 + y2, which of the following statements must be tr
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26 Dec 2021, 11:10
26 Dec 2021, 11:10
Expert Reply
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Question Stats:
37% (01:20) correct
62% (01:33) wrong based on 8 sessions
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If \((x - y)^2 = x^2 + y^2\), which of the following statements must be true?
I. y = 0
II. \((x + y)^2 = (x - y)^2\)
III. xy = 0
(A) None
(B) I only
(C) III only
(D) II and III
(E) I, II, and III
I. y = 0
II. \((x + y)^2 = (x - y)^2\)
III. xy = 0
(A) None
(B) I only
(C) III only
(D) II and III
(E) I, II, and III
Re: If (x - y)^2 = x^2 + y2, which of the following statements must be tr
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26 Dec 2021, 13:38
26 Dec 2021, 13:38
statement 3,how?
If (x - y)^2 = x^2 + y2, which of the following statements must be tr
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26 Dec 2021, 19:28
26 Dec 2021, 19:28
1
\((x - y)^2 = x^2 + y^2\)
\(x^2 + y^2 - 2xy = x^2 + y^2\)
\(xy = 0\)
For, statement \(II\),
\(x^2 + y^2 = x^2 + y^2 + 2xy\) will give the same result.
Answer D
\(x^2 + y^2 - 2xy = x^2 + y^2\)
\(xy = 0\)
For, statement \(II\),
\(x^2 + y^2 = x^2 + y^2 + 2xy\) will give the same result.
Answer D
