T13
TA
Substituting this value of d in (1), we get
7.48 - 426
a = 12 - 6x =
4 4
a + 12d
Hence,
a + 3d
6 7
+ 12 x
4.
4
6 7
+ 3 x
3
4 4
6 +84 90 10
6+21 27 3
EXERCISE A
y Short Answer Type Questions
Find out the nth and 12th terms of the series 9, 7, 5, 3,
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Substitution reaction, any of a class of chemical reactions in which an atom, ion, or group of atoms or ions in a molecule is replaced by another atom, ion, or group.
Step-by-step explanation:
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