The first and last terms of an AP are nbsp-a and nbsp-l respectively- Show that the sum of the nth nbsp-term from the beginning and the nth nbsp-term from the end is -a - l-

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Standard X

Mathematics

Sum of First n Natural Numbers

The first and...

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The first and last terms of an AP are a and l respectively. Show that the sum of the n^th term from the beginning and the n^th term from the end is (a + l).

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The first and last terms of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term from the end is (a + l).

The first and last terms of an AP are a and l respectively. Show that the sum of the n^th term from the beginning and the n^th term from the end is (a + l).