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If cot α and cot β are the roots of the equation x2+ bx +c = 0 with b≠0, then the value of cos (α+β) isa)(c-1)/bb)(1-c)/bc)b/(c-1)d)b/(1-c)Correct answer is option 'B'. Can you explain this answer? for DSSSB TGT/PGT/PRT 2025 is part of DSSSB TGT/PGT/PRT preparation. The Question and answers have been prepared according to the DSSSB TGT/PGT/PRT exam syllabus. Information about If cot α and cot β are the roots of the equation x2+ bx +c = 0 with b≠0, then the value of cos (α+β) isa)(c-1)/bb)(1-c)/bc)b/(c-1)d)b/(1-c)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for DSSSB TGT/PGT/PRT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If cot α and cot β are the roots of the equation x2+ bx +c = 0 with b≠0, then the value of cos (α+β) isa)(c-1)/bb)(1-c)/bc)b/(c-1)d)b/(1-c)Correct answer is option 'B'. Can you explain this answer?.

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