1.

If ∑10r=1tan−1[39r2+3r−1]=cot−1[mn] (where m and n are coprime), then find the value of (m - n). ___

Answer» If 10r=1tan1[39r2+3r1]=cot1[mn] (where m and n are coprime), then find the value of (m - n). ___


Discussion

No Comment Found