AbiAnsh Heaven# 109 - Page 40

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garima22

@garima22

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Posted: 13 years ago

haan pagal vo bi ni krta chinta mujhe mar jana chahiye main bhot buri hun

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

Numerical

A^= 2i + 3j - k
B^= 3i + 2j +7k

magnitude

|A^| = [(2)^2 + (3)^2 + (-1)^2] + [(3)^2 + (2)^2 + (7)^2] whole under root

= 14 whole undr root

Similarly |B^| = 62 whole under root

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

Dot Product

A^ x B^ = (2i + 3j - k) + (3i + 2j + 7k)

= 6i + 6j - 7k

= 5

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

A^ xB^ = B^ x A^ [commodative property]

so B^ x A^ = 5

Edited by Masooma Bukhari - 13 years ago

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garima22

@garima22

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33

+ 3

Posted: 13 years ago

shyd ab tumhe bi koi fark ni pdta main jiu ya maru main yahan se bi ja ri hun bye 4ever :'(

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

A^ x B^ = AB cos theeta

theeta = cos-1 [A^ x B^ / AB]

theeta = 5 / undr root 14 x undr root 62

theeta = 80 degrees

Edited by Masooma Bukhari - 13 years ago

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

A^ = 2i + 3j --->>> 2i + 3j + 0k
B^ = 3j + k --->>> 0i + 3j + k

A^ x B^= (2i + 3j + 0k) x (0i + 3j + k)

= 9

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Masooma Bukhari

@MasoomaBukhari

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48

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Posted: 13 years ago

me aur prots to match dekh raye hen 😃

Edited by Masooma Bukhari - 13 years ago

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Masooma Bukhari

@MasoomaBukhari

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Posted: 13 years ago

is any one here from bangladesh? 😊

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Kritika

@jane_krittzz...

Rocker

25

Posted: 13 years ago

Match 🤢

Aaj kiska hn ?

Waise i hate cricket

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