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Topic- वैश्विक महामारी से जुझते करमवीर और हम। Write an essay • हमारा कर्तव्य। Please help. Thankyou |
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Answer» splaystyle {a_n}an be a finite ARITHMETIC PROGRESSION and k be a natural number. \displaystyle a_1=r < 0a1=r<0 and \displaystyle a_k=0ak=0. FIND \displaystyle S_{2k-1}S2k−1 (the sum of the first 2k-1 ELEMENTS of the progression). |
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