Math, asked by Aena121, 1 year ago

heyy
sum of the terms in gp .. 2,6,18,... upto 7 terms...


Aena121: hey

Answers

Answered by AlishKoiz
2

here, a=2

r=3

now,S7= a(r^n-1)/r-1

=2(3^7-1)/3-1

=2187-1

=2186


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