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find the indicated terms of the sequence whose nth terms are ( n -1 )( 2 - n )( 3 - n ) ; a1,a2,a3

Posted by Sonakshi Saha 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years, 6 months ago

Here we have, a_n = (n - 1)(2 - n)(3 - n)
Put n = 1
_a1= 1(1 - 1)(2 - 1)(2 - 2)(3 + 2) = 0
Put n = 2
_a2= 2(2 - 1) (2 - 2)(3 + 2) = 0
Put n = 3
_a3= 3(3 - 1)(2 - 3)(3 + 3) = 3 (2) (-1) (6) = 36

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CBSE > Class 10 > Mathematics