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Sum of the 5th term and 24th term of an AP Is 50.when Find the sum of the 28th term??? |
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Answer» Step-by-step EXPLANATION: (a+4d)+(a+23d)=50 now, s28=28/2{2a+(28-1)d} s28=14{2(50-27d)+27d} s28=14(50-27d+27d) s28=14×50 s28=700 |
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