Question

if a and b are two parallel vectors, then the value of (a+b)×(a-b)​

Answer 1

Answer:

If a and b are two vectors, then the value of ( a + b ) × ( a - b ) is

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( a + b ) × ( a - b ) ( a × a ) - ( a × b ) + ( b × a ) - ( b × b ) 0 - ( a × b ) - ( a × b ) - 0 - 2( a × b ) or = 2( b × a ) A)ans. More