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JEE Main Math Class 12 Differential Equations Part 2 Questions

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Question : 123

Total: 124

Let a, b andc be three vectors mutually perpendicular to each other and have same magnitude. If a vector r satisfies.
a × {(r - b) × a} + b × {(r - c) × b} + c × {(r - a) × c} = 0, then r is equel to

[31 Aug 2021 Shift 2]

1
3
(a + b + c)
1
3
(2a + b - c)
1
2
(a + b + c)
1
2
(a + b + 2c)

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