If `|vecaxxvecb|^(2)+|veca.vecb|^(2)=144and|veca|=4,"then "|vecb|` is equal to ……..

Explanation

To solve the problem, we start with the given equation:

\[ |\vec{a} \times \vec{b}|^2 + |\vec{a} \cdot \vec{b}|^2 = 144 \]

We also know that:

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