12th Biology Term-1 real paper 16 December 2021 | PSEB Term-1 exam | GAURAV CROOKS +2 #pseb #term1

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If the mth term of an A.P. be 1//n and nth term be 1//m then show that its ( m n )th term is 1.

Determine the general term of an A.P. whose 7t h term is -1 and 16 t h term 17.

Each term of a sequence is the sum of its preceding two terms from the third term onwards. The second term of the sequence is -1 and the 10th term is 29. The first term is "_________"

There is a certain sequence of positive real numbers. Beginning from the third term, each term of the sequence is the sum of all the previous terms. The seventh term is equal to 1000 and the first term is equal to 1 . The second term of this sequence is equal to

The first term of a sequence is 1, the second is 2 and every term is the sum of the two preceding terms.The n^(th) term is.

The first term of a sequence is (1)/(2) and the second term is (1)/(4) . Each term thereafter is the sum of the all the terms before it , If the n^(th) term is the first term of the sequence that is an integer , what is the value of n ?

The sum of the first 25 terms of an arithmetic sequence is 1,400, and the 25th term is 104. If the first term of the sequence is a_(1) and the second term is a_(2) , what is the value of a_(2)-a_(1) ?

The 8th and 14th term of a H.P. are 1/2 and 1/3, respectively. Find its 20th term. Also, find its general term.

The 8th and 14th term of a H.P. are 1/2 and 1/3, respectively. Find its 20th term. Also, find its general term.