Search for: limn→∞ ∑k=1n tan−112k2 is limn→∞ ∑k=1n tan−112k2 is Aπ/8Bπ/2Cπ/4Dπ/3 Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:tan−112k2=tan−121+(2k−1)(2k+1)=tan−1(2k+1)−(2k−1)1+(2k−1)(2k+1)=tan−1(2k+1)−tan−1(2k−1)∑k=1n tan−112k2=tan−1(2n+1)−tan−1(2n−1)+tan−1(2n−1)−tan−1(2n−3)+…+tan−1 3−tan−11=tan−1(2n+1)−tan−11limn→∞ ∑k=1n tan−112k2=tan−1∞−π4=π2−π4=π4 Related content MCQ Questions for Class 9 Hindi with Answers Kshitij, Kritika, Sparsh, Sanchayan Bhag 1 CBSE Class 7 English Honeycomb Chapter 1 Three Questions MCQ Questions with Answers CBSE Class 9 English Beehive Book Poem 1 The Road Not Taken MCQ Questions with Answers MCQs Questions with Answers for Class 9 English Chapter 1 The Fun They Had CBSE Class 9 Tissue MCQs Female Reproductive System Diagram Class 10 NCERT Solutions for Class 11 English Reading Skills Chapter 1 The Portrait of a Lady 50+ Simple GK Questions and Answers for Class 8 Animal Cell Diagram Class 9 Preparation Strategy for NEET Repeaters