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Asked by aliencpr31 | 30 Jul, 2019, 11:56: AM
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sum from k equals 0 to 12 of a subscript 4 k plus 1 end subscript equals 416 rightwards double arrow a subscript 1 plus a subscript 5 plus... plus a subscript 49 equals 416 rightwards double arrow a subscript 1 plus a subscript 1 plus 4 d plus a subscript 1 plus 8 d... plus a subscript 1 plus 48 d equals 416 rightwards double arrow 13 a subscript 1 plus 4 d open parentheses 6 cross times 13 close parentheses equals 416 rightwards double arrow a subscript 1 plus 24 d equals 32 space... space left parenthesis I right parenthesis G i v e n space a subscript 9 plus a subscript 43 equals 66 rightwards double arrow a subscript 1 plus 25 d equals 33 space... space left parenthesis I I right parenthesis S o l v i n g space left parenthesis I right parenthesis space a n d space left parenthesis I I right parenthesis comma space w e space g e t a subscript 1 equals 8 space a n d space d equals 1 T h e r e f o r e comma a subscript 1 squared plus a subscript 2 squared plus.. plus a subscript 17 squared equals 140 m rightwards double arrow 8 squared plus 9 squared plus... plus 24 squared equals 140 m rightwards double arrow 1 squared plus.. plus 7 squared plus 8 squared plus 9 squared plus... plus 24 squared minus open parentheses 1 squared plus.. plus 7 squared close parentheses equals 140 m rightwards double arrow 4900 minus 140 equals 140 m rightwards double arrow m equals 34
Answered by Renu Varma | 31 Jul, 2019, 10:28: AM
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JEE main - Maths
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JEE main - Maths
the value 21/4. 41/8. 81/6..... is
Asked by sabeenashaik575 | 09 Jan, 2024, 09:53: AM
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JEE main - Maths
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Asked by 20sanjaykoley20 | 19 Dec, 2023, 12:57: AM
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JEE main - Maths
Let S be the sum P the product and R the sum of reciprocal
Asked by kunmunkumar08032008 | 08 Oct, 2023, 01:15: PM
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JEE main - Maths
Let Tr be the rth term of an AP for r=1,2,3,.... If for some positive integers m, n. We have Tm=1/n and Tn=1/m, then Tmn equals to
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Asked by nitinsolanki14102001 | 16 Sep, 2023, 03:01: PM
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JEE main - Maths
if an= -2/(4n^2)-(16n)+(15),      [(4n^2)-(16n)+(15) dis entire thing is the denominator)] then: opt a) a1+a2+....+a10= 20/51 opt b) a1+a2+.....a10=30/51 opt c) a1+a2+......a25=50/141 opt d) a1+a2+.....a25=60/141 Its more than one ans type q, pls tell me a detailed explanation on how to do it as i din understand 
Asked by joanmaria916 | 08 Jul, 2023, 04:37: PM
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JEE main - Maths
There are (4n + 1) terms in a certain sequence of which the first (2n + 1) terms form an A.P. of common difference 2 and the last (2n + 1) terms are in G.P. of common ratio 1/2 If the middle term of both A.P. and G.P. are the same, then find the mid-term of this sequence.
Asked by vishnuramrs07 | 30 May, 2023, 09:05: PM
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JEE main - Maths
The sum of the common terms of the following three arithmetic progressions. 3,7,11,15,…………,3993,7,11,15,…………,399 2,5,8,11,.........3592,5,8,11,.........359  and 2,7,12,17,……,1972,7,12,17,……,197, is equal to _____ .
Asked by chiyalaxmi28 | 18 Mar, 2023, 10:34: AM
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