Question: simplified by using method of difference. By using above concept answer the following question [if S, = T +T2+. + T, Express T =

simplified by using method of difference. By using above concept answer the

simplified by using method of difference. By using above concept answer the following question [if S, = T +T2+. + T, Express T = Vn - Un-1 then S, =ET =Evn - Un-1 = Un-vo] Q: tan 1 tan 2 + tan 2 tan 3 + . +t (A) cot 1 tan 21 20 (B) cot 1 tan 21 + 20 (C) cot 1 tan 21 21 (D) cot 1 tan 21 1

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