Maths-
General
Easy
Question
(r1 + r2) (r2 + r3) (r3 + r1) =
- Rs2
- 2Rs2
- 3Rs2
- 4Rs2
The correct answer is: 4Rs2
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r2 r3 + r3 r1 + r1 r2 =
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Statement-1 (A) : If ,,are unit coplanar vectors then [2– 2– –] = 0
Statement-2 (R) : [,, ] = 0
Statement-1 (A) : If ,,are unit coplanar vectors then [2– 2– –] = 0
Statement-2 (R) : [,, ] = 0
Maths-General
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Statement-1 (A) : If ,, are non coplanar vectors then vectors 2–+3,+–2, +– 3 are also non coplanar.
Statement-2 (R) : Three vector , , are non coplanar then [, , ] 0
Statement-1 (A) : If ,, are non coplanar vectors then vectors 2–+3,+–2, +– 3 are also non coplanar.
Statement-2 (R) : Three vector , , are non coplanar then [, , ] 0
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Statement-1 (A) : Three vector, , are non coplanar then +, +, + are also non coplanar.
Statement-2 (R) :[+,+,+]=[,, ]
Statement-1 (A) : Three vector, , are non coplanar then +, +, + are also non coplanar.
Statement-2 (R) :[+,+,+]=[,, ]
Maths-General