Under what condition |a+b|=|a|+|b| holds good
(a) act in the same direction
(b) act in the opposite direction
(c) are different physical quantities
(d) have same magnitude

Question

Under what condition |a+b|=|a|+|b| holds good (a) act in the same direction (b) act in the opposite direction (c) are different physical quantities (d) have same magnitude

Arun · Answer

Dear students |a+b|=|a|+|b| is valid only and only if a and b act in same direction You can prove it by dot product of self.

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Under what condition |a+b|=|a|+|b| holds good (a) act in the same direction (b) act in the opposite direction (c) are different physical quantities (d) have same magnitude

Under what condition |a+b|=|a|+|b| holds good
(a) act in the same direction
(b) act in the opposite direction
(c) are different physical quantities
(d) have same magnitude

1 Answers

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Under what condition |a+b|=|a|+|b| holds good (a) act in the same direction (b) act in the opposite direction (c) are different physical quantities (d) have same magnitude

Under what condition |a+b|=|a|+|b| holds good(a) act in the same direction(b) act in the opposite direction(c) are different physical quantities(d) have same magnitude

1 Answers

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Under what condition |a+b|=|a|+|b| holds good
(a) act in the same direction
(b) act in the opposite direction
(c) are different physical quantities
(d) have same magnitude