Math, asked by suvarnakanade70, 5 months ago

hi I need your help
please solve

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Answers

Answered by suhani2412

12

Step-by-step explanation:

Sn=n/2{2a+(n-1) d}

S30=30/2(20+(30-1)5)

=15(20+29×5)

=15×165

=2475

HOPE I HELPED U UNNIE

Answered by payal0607

3

Answer:

i hope it will help you

Step-by-step explanation:

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

therefore

S30=30/2[2×10+(30-1) 5]

=15[20+29×5]

=15[20+154]

=15×165

=2475

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