Correct Answer: Option A
= x2y(x-y)(x2+ xy + y2)
দ্বিতীয় রাশি, x2y2(x4 + x2y2 + y4)
= x2y2{( x2)2+ 2. x2y2+ ( y2)2 - x2y2}
= x2y2{( x2 + y2)2– (xy)2}
= x2y2{(x2 + xy+ y2) (x2 - xy + y2)}
তৃতীয় রাশি, x3y2 + x2y3 + xy4
= xy2( x2 + xy + y2)
∴ নির্ণেয় গ.সা.গু.= xy (x2 + xy +y2)
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