1−2sen2xsen 3x−sen x=12csc(x)\frac{1-2sen^2x}{sen\:3x-sen\:x}=\frac{1}{2}\csc\left(x\right)sen3x−senx1−2sen2x=21csc(x)
(6x−3y)+10−2[5x−9y−(8−6x)]\left(6x-3y\right)+10-2\left[5x-9y-\left(8-6x\right)\right](6x−3y)+10−2[5x−9y−(8−6x)]
−x2+6−x2+4\frac{-x^2+6}{-x^2+4}−x2+4−x2+6
−2(−2)2+5-2\sqrt{\left(-2\right)^2+5}−2(−2)2+5
(10g+11h3)(10g−11h3)\left(10g+11h^3\right)\left(10g-11h^3\right)(10g+11h3)(10g−11h3)
∫x(4x2−3)dx\int x\left(4x^2-3\right)dx∫x(4x2−3)dx
4+95\frac{\sqrt{4}+\sqrt{9}}{5}54+9
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