\(F=25x^4y^6.8x^3y^6=200x^7y^{12}\)
F = ( 5x2 y3 )2 . ( 2xy2 )3
= 25x4y6 . 8x3y6
= 200x7y12
Học tốt.
F = ( 5x2 y3 )2 . ( 2xy2 )3
F=5x4y6 .2x3y6
F=5.2 (x4 .x3). (y6.y6)
F=10 (x4+3)(y6+6)
F=10x7y12
\(F=\left(5x^2\right)^2.y^6.\left(2xy^2\right)^3\)
\(F=25x^4.y^6.8x^3y^8\)
\(F=200x^7y^{12}\)