SOLUTION: Find the sum
a + (a + 1) + (a + 2) + ... + (a + n - 1)
in terms of a and n.
Part (b): Find all pairs of positive integers (a,n) such that n>=2 and
a + (a + 1) + (a + 2) + ...
Algebra ->
Square-cubic-other-roots
-> SOLUTION: Find the sum
a + (a + 1) + (a + 2) + ... + (a + n - 1)
in terms of a and n.
Part (b): Find all pairs of positive integers (a,n) such that n>=2 and
a + (a + 1) + (a + 2) + ...
Log On
Question 1035504: Find the sum
a + (a + 1) + (a + 2) + ... + (a + n - 1)
in terms of a and n.
Part (b): Find all pairs of positive integers (a,n) such that n>=2 and
a + (a + 1) + (a + 2) + ... + (a + n - 1) = 100.
note: >= means greater than or equal to. Answer by ikleyn(52781) (Show Source):
You can put this solution on YOUR website! .
Find the sum
a + (a + 1) + (a + 2) + ... + (a + n - 1)
in terms of a and n.
Part (b): Find all pairs of positive integers (a,n) such that n>=2 and
a + (a + 1) + (a + 2) + ... + (a + n - 1) = 100.
note: >= means greater than or equal to.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Learn about Arithmetic progressions and about the formula for the sum of arithmetic progression,
for example, from this lesson Arithmetic progressions.