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তিনটি ম্যাট্রিক্স

|\begin{matrix} x & y \end{matrix}|

[\begin{matrix} a & h \\ h & b \end{matrix}]

[\begin{matrix} x \\ y \end{matrix}]

এর-

[\begin{matrix} x^{2} a + x y h & x y h + y^{2} b \end{matrix}]

|x^{2} + 2 x y h + y^{2} b|

[\begin{matrix} x^{2} + x y h \\ x y h + y^{2} b \end{matrix}]

[2 x^{2} a + x y h + 2 y^{2} b]

ANS : 2

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