Questions asked by Nicu M.

• Back to user's profile
• Integral #int_(1/e)^e ln(x)^2018/(x+1) dx# ?
  
• Integral of #(x^23)/(x^32+1)#?
  
• We have a trapeze ABCD AD=big base, BC= little base m(<BAC)= a , sin a= 1/3 and m(<ABD)=b and sin b= 5/9 and AD= 15 cm Trapeze ABCD is enrolled in a circle .FInd the midle line?
  
• If A and B are two matrices such that AB=A+B then det (A-I3)=?
  
• FInd numeric value of #int_1^esqrt(lnx)dx-int_0^1e^(x^2)dx#?
  
• We have points A(1,-1);B(0,3);C(5,0).Geometric place of points #M(x,y)# for which #2MA^2+MB^2-3MC^2=0# it is: a)right of equation #13x-y-31=0# b)right of equation #y=0# c)right of equation #13x-y-30=0# d)circle of equation #x^2+y^2-3x+2y-16=o#?