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How Many Terms of the A.P. -6 , `-11/2` , -5... Are Needed to Give the Sum –25? - CBSE (Arts) Class 11 - Mathematics

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Question

How many terms of the A.P.  -6 , `-11/2` , -5... are needed to give the sum –25?

Solution

Let the sum of n terms of the given A.P. be –25.

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 to Current)
Chapter 9: Sequences and Series
Q: 4 | Page no. 185

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Solution How Many Terms of the A.P. -6 , `-11/2` , -5... Are Needed to Give the Sum –25? Concept: Arithmetic Progression (A.P.).
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