can anyone can explain the step underlined with red line!! how
2√2/3 came !! just
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a+ b = 2/√3 j + 2/√3 k
|a + b| = √ a^2 + b^2
=√ (2/√3)^2 + (2/√3)^2
= √8/3
= 2√2 / √3
|a + b| = √ a^2 + b^2
=√ (2/√3)^2 + (2/√3)^2
= √8/3
= 2√2 / √3
trisha10433:
thanks for clearing my doubt :)
welcome Friend
Answered by
1
Hey buddy your answer is GIVEN by UDIT
it is very easy
|a+b| means magnitude of a and b
so |a+b|
=
.
see in attachment now
it is very easy
|a+b| means magnitude of a and b
so |a+b|
=
.
see in attachment now
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