0000:00:00:00:00Start15Number 15ExplanationIf limx→−31ax+13bx3+27=−135\lim_{x \to -3} \frac{\frac{1}{ax} + \frac{1}{3}}{bx^3 + 27} = -\frac{1}{3^5}limx→−3bx3+27ax1+31=−351, the value of a+ba + ba+b for aaa and bbb positive integers is....−4-4−4−2-2−2000222444
15Number 15ExplanationIf limx→−31ax+13bx3+27=−135\lim_{x \to -3} \frac{\frac{1}{ax} + \frac{1}{3}}{bx^3 + 27} = -\frac{1}{3^5}limx→−3bx3+27ax1+31=−351, the value of a+ba + ba+b for aaa and bbb positive integers is....−4-4−4−2-2−2000222444