1.

Let x1,x2,…,xn be the solutions of tan−1(2x+1x+1)+tan−1(2x−1x−1)=2tan−1(x+1). Then the value of 4(x21+x22+⋯+x2n) is

Answer» Let x1,x2,,xn be the solutions of tan1(2x+1x+1)+tan1(2x1x1)=2tan1(x+1). Then the value of 4(x21+x22++x2n) is


Discussion

No Comment Found