1. The problem statement, all variables and given/known data
The ratio of sums of 2 AP for n terms each is ## \frac{3n + 8}{7n + 15}##
that is
$$ {\frac{s_a}{s_b}} = \frac{3n + 8}{7n + 15} $$
find the ratio of their 12th terms.
$$ Required= \frac{a₁_a+(n-1)d_a}{a_b + (n-1)d_b}$$
2....
Arithmetic progression.. sum and nth term
Arithmetic progression.. sum and nth term
The ratio of sums of 2 AP for n terms each is ## \frac{3n + 8}{7n + 15}##
that is
$$ {\frac{s_a}{s_b}} = \frac{3n + 8}{7n + 15} $$
find the ratio of their 12th terms.
$$ Required= \frac{a₁_a+(n-1)d_a}{a_b + (n-1)d_b}$$
2....
Arithmetic progression.. sum and nth term
Arithmetic progression.. sum and nth term
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