Maths Arithmetic Progressions CBSE Board 2026 Easy
The sum of first n terms of an A.P. is 50√2. If the first and the last terms are √2 and 19√2 respectively, th…
The sum of first terms of an A.P. is . If the first and the last terms are and respectively, then the value of is:
- (a)
- (b)
- (c)
- (d)
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