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If 6th term of an AP. Is -10 and it's 10 term is -26,then find first term and difference |
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Answer» T6=a+5d=-10......(1) T10=a+9d=-26....(2) where a is the 1st term and d is the common difference. Subtracting (1) from (2) 4d=-16 =>d,= -4 So a+5×4=-10 =>a = -30 |
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