1) For an
A.P., if a=7 and d=2.5 then t₂₄
a)37.5
b) 34.5
c) 64.5
d) 44.5
Answers
Answered by
1
Step-by-step explanation:
t
12
=a+(n−1)d
=7+(12−1)(2.5)
=7+11×2.5
=34.5
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