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Vector Algebra

JEE Main 2022 (Online) 29th July Evening Shift

INTEGER+4 / -12022

ধরি দুটি ভেক্টর \(\overrightarrow a\) এবং \(\overrightarrow b\) যেখানে \(|\overrightarrow a + \overrightarrow b {|^2} = |\overrightarrow a {|^2} + 2|\overrightarrow b {|^2},\overrightarrow a .\overrightarrow b = 3\) এবং \(|\overrightarrow a \times \overrightarrow b {|^2} = 75\) । তবে \(|\overrightarrow a {|^2}\) এর মান হবে ____________ ।

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