Questions asked by kubik98

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• Can anyone find the value and if possible show every step? Thanks in advance.
  
• Can you find the limit? `Lim_(xrarroo)xe^(-x/2)`
  
• Would you help me find the limit?
  
• How do you simplify complex number?
  
• How do I find solution depending on parameters `a,b in RR`?
  
• Would you help me find the limit?
  
• How do we call a matrix that has inverse matrix in english?
  
• How do I solve matrix for `a in CC`?
  
• Kinematics: Would you help me find the solution?
  
• Would you help me with this integration? `int ((sqrt(x^4+2+x^(-4)))/x^3)dx`
  
• Kinematics: would you help me?
  
• Would you help me? `int_0^(pi/2)(e^(2x)*sinx)dx`
  
• Can you prove integral?
  
• Help? Kinematics: Projectile motion
  
• `intint_Asqrt(xy-y^2)dxdyquadquadA={(x,y)inRR^2; 0<=y<=3, x/10<=y<=x}` Would anyone help me?
  
• Can you prove? `-cosx/sinx+1/sinx=tan(x/2)`