JEE Main 31-Aug-2021 Shift 2 Solved Paper
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Question : 61 of 90
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If α + β + γ = 2 π , then the system of equations
x + ( cos γ ) y + ( cos β ) z = 0
( cos γ ) x + y + ( cos α ) z = 0
( cos β ) x + ( cos α ) y + z = 0
has :
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[31 Aug 2021 Shift 2]
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