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The value of |{:(x^(2)+y^(2),ax+by,x+y),...

The value of `|{:(x^(2)+y^(2),ax+by,x+y),(ax+by,a^(2)+b^(2),a+b),(x+y,a+b,2):}|` depends on

A

`a`

B

`b`

C

`x`

D

none of these

Text Solution

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The correct Answer is:
D
`(d)` `Delta=|{:(x,y,0),(a,b,0),(1,1,0):}|*|{:(x,y,0),(a,b,0),(1,1,0):}|=0`
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