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Arithmetic Progressions

Question 2:

The sum of the third and the seventh terms of an A.P is 6 and their product is 8. Find the sum of first sixteen terms of the A.P.

Answer:

We know that,

an = a + (n − 1) d

a3 = a + (3 − 1) d

a3 = a + 2d

Similarly, a7 = a + 6d

Given that,...

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