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উদ্দীপকের ক্ষেত্রে-

(i) P = 50N Q = 40N এবং OA = 0.5m হলে, OB = 0.4m

(ii) R =R=P2+Q2+2PQ cos α

(iii) θ =tan-1 P sin αP+Q co

নিচের কোনটি সঠিক?

Created: 3 weeks ago | Updated: 3 weeks ago

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