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Find the value of x, if \(\begin{vmatrix}2&5\\3&x\end{vmatrix}\)=\(\begin{vmatrix}x&-1\\5&3\end{vmatrix}\).

Posted: Wed Jul 13, 2022 8:07 pm
by answerhappygod
a) 20
b) -20
c) 30
d) -30