CalculusEasyThe Derivative ShareThe Derivative · Easy problemFind ddx[x4−2x2+x−9]\dfrac{d}{dx}\big[x^{4}-2x^{2}+x-9\big]dxd[x4−2x2+x−9].A4x3+4x+14x^{3}+4x+14x3+4x+1B4x3−4x+24x^{3}-4x+24x3−4x+2C4x3−4x+14x^{3}-4x+14x3−4x+1D4x4−4x+14x^{4}-4x+14x4−4x+1Check Show answer Walk through it step by step Practice more like this Review this concept