Two vectors $a$ and $b$ are said to be equal, if
I. $| a | = | b |$
II. they have same or parallel support.
III. the same sense.
Which of the following is true?

Only I

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Only II

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Both I and III

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All three

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Solution

The correct option is D All three
By defintion of equal vector
if two vector is equal then
1)magnitude of both vector will equal
2)and have same sense and support

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Among the given statements,

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(i)

\to a

and

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Two vectors a and b are said to be equal, if I. |a|=|b|II. they have same or parallel support.III. the same sense.Which of the following is true?

The correct option is D All threeBy defintion of equal vector if two vector is equal then 1)magnitude of both vector will equal2)and have same sense and support

Two vectors $a$ and $b$ are said to be equal, if
I. $| a | = | b |$
II. they have same or parallel support.
III. the same sense.
Which of the following is true?

The correct option is D All three
By defintion of equal vector
if two vector is equal then
1)magnitude of both vector will equal
2)and have same sense and support