Mark the correct alternative in each of the following:In any ∆ABC, � – InterviewSolution

1.	Mark the correct alternative in each of the following:In any ∆ABC, ∑a2sinB-sinC=(a) a2+b2+c2 (b) a2 (c) b2 (d) 0
Answer» Mark the correct alternative in each of the following: In any ∆ABC, $\sum_{}^{} a^{2} (\sin B - \sin C) =$ (a) $a^{2} + b^{2} + c^{2}$ (b) $a^{2}$ (c) $b^{2}$ (d) 0

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