CBSE Class 10 Answered
see below
Asked by | 06 Mar, 2013, 10:53: AM
Expert Answer
Sq = 63q - 3q2
Therefore,
S1 = 63(1) - 3(1)2 = 60 = a 1
S2 = 63(2) - 3(2)2 = 126 - 12 = 114
and so onWe get, a 1 = 60
a2 = S2 - S1 = 114 - 60 = 54
Therefore, AP is 60, 54, 48, .......
a = 60 , d = -6
ap = a+(p-1)d
-60 = 60 - 6p + 6
-60 = 66 - 6p
-126 = -6p
p = 21
a11 = a+10d = 60 + 10(-6) = 60 - 60 = 0
Answered by | 06 Mar, 2013, 11:14: AM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by purbashadebnath1980 | 09 Mar, 2024, 12:10: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by deepikaselvam2009 | 20 Feb, 2024, 08:57: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by keshavsinghalhapur | 16 Jan, 2024, 08:46: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by keshavsinghalhapur | 15 Jan, 2024, 10:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by durgauikey7000 | 08 Dec, 2023, 08:16: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by skandachiranjeevin | 06 Dec, 2023, 07:08: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by shaikhyakub9946 | 30 Nov, 2023, 11:50: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by prassanna.j | 13 Nov, 2023, 11:24: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by prassanna.j | 13 Nov, 2023, 11:23: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by latayadav23 | 17 Oct, 2023, 08:39: PM
ANSWERED BY EXPERT