1.

sum of the first 7 terms of an arithemetic sequence is 133 and its 7th term is 31 1) what is the 4th term. 2) what is its first term​

Answer»

ong>Step-by-step EXPLANATION:

Find the value of m so that the QUADRATIC EQUATION px^2 + (p – 1) x +(p – 1) = 0 has equal roots.



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