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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Maths > Chapter 10 - Vector Algebra > Example 28 Let a, b and c be three vectors such that I a I = 3, I b I = 4, I c I = 5 and each one of them being perpendicular to the sum of the other two, find I a + b + c I.

Example 28 Let a, b and c be three vectors such that I a I = 3, I b I = 4, I c I = 5 and each one of them being perpendicular to the sum of the other two, find I a + b + c I.

b and c be three vectors such that I a I = 3 Example 28 Let a find I a + b + c I. I b I = 4 I c I = 5 and each one of them being perpendicular to the sum of the other two