Finding value of limn→∞limm→∞n∑r=1mr∑k=1m2n2(m2n2+k2)(n2+r2)
what i try
limm→∞limn→∞mr∑k=1m2n2m2n2+k2⋅1nn∑r=1nn2+r2
limn→∞n∑r=1nn2+r2=∫1011+x2dx=π4 How do i solve first summation
help me please
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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