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[" 51."afc|vec a|=|vec b|=|vec a+vec b|=...

[" 51."afc|vec a|=|vec b|=|vec a+vec b|=1" तो "|vec a-vec b|" का मान कताओ। "],[" If "|vec a|=|vec b|=|vec a+vec b|=1" then find the value of "|vec a-vec b|],[[" (a) "1," (b) "sqrt(3)," (c) "sqrt(2)," (d) "sqrt(3/2)]]

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