Question

State T' for true and 'F' for false. (I) A sequence is an A.P., if and only if the sum of its terms is of the form An? + Bn , where A and B are constants. (II) If 18, a, b, -3 are in A.P., then a+b 15. %3! (III) If a, c, b are in A.P., then 2c = a+b. (IV) The nth term from the end of an A.P. is the (m – n+ 1) term from the beginning, where m terms are in A.P.​

Answer 1

Answer:

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Answer 2

Answer:

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