English, asked by wwwshubhambadak2006, 11 hours ago

a=3,d=5 find t25, find sn , find S20 ​

Answers

Answered by anantmisra12
7

Answer:

Explanation:

a=3 and d=5

T25= 3+(24)5=123

S=n/2[2a+(n-1)d]

= 10[6+95]

=1050

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