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limit of (x^2+5x+6)/(x+2) as x approaches -2

take the derivative: cos(x+1)/xderivative of cos(x+1)/(x^2+3)integrate e^x/(e^(2x)+2e^x+1)y’(x)=y(x)+x+xy(x)+1, y(0)=1

ax^2+bx+c=0cos(4x)-4sin(2x)-3=0solve e^x=1 over the reals2(3x-7)+4(3x+2)=6(5x+9)+31/(x-1)+1/(x-2)+1/(x-3)=1/(x-4)-1

52930/67999 + 7231/2 + 3/4 + 2/9(2+3)^(4+2)-82*2212/2-6*78/(5-1)-(3+6)/(7-8/7)