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கணிதம்
Class 8
இயற்கணிதம்
இயற்கணிதக் கோவைகளின் பெருக்கல்
8.
பொருத்துக
Exercise condition:
5
m.
1.
\(4y^2 x -3y\) -
\(-12y^3\)
\(4x^2 -9\)
\(-10x^3y+6xy\)
\(20x^2y - 20x\)
\(5x^3-5xy^2+5x^2y\)
2.
\(-2xy(5x^2 -3)\) -
\(20x^2y - 20x\)
\(-10x^3y+6xy\)
\(5x^3-5xy^2+5x^2y\)
\(-12y^3\)
\(4x^2 -9\)
3.
5x(x2-y2+xy) -
\(4x^2 -9\)
\(5x^3-5xy^2+5x^2y\)
\(-10x^3y+6xy\)
\(-12y^3\)
\(20x^2y - 20x\)
4.
\((2x +3)(2x-3)\) -
\(5x^3-5xy^2+5x^2y\)
\(4x^2 -9\)
\(-12y^3\)
\(20x^2y - 20x\)
\(-10x^3y+6xy\)
5.
\(5x(4xy -4)\) -
\(-10x^3y+6xy\)
\(20x^2y - 20x\)
\(4x^2 -9\)
\(-12y^3\)
\(5x^3-5xy^2+5x^2y\)
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