A) 2, 1, 5
B) 1, 1, 1
C) 1, -2, -1
D) 1, 2, -1
Correct Answer: D
Solution :
Put the value \[(x,\,y,\,z)\,=\,(1,\,2,\,-1),\] which satisfies the equation. Hence, (d) is correct.You need to login to perform this action.
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