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If ∣∣→a+→b∣∣=60, ∣∣→a−→b∣∣=40 and |→a|=22 then find ∣∣→b∣∣.

Answer» If ∣∣→a+→b∣∣=60, ∣∣→a−→b∣∣=40 and |→a|=22 then find ∣∣→b∣∣.


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