Question

please help me plzzzz
because tomorrow is my pre bord
please give me answer formation

Answer 1

$d = t2 - t1 \\ d = 13 - 7 \\ d = 6$
Now
tn=
$a + (n - 1)d$
$t15= 7 + (15 - 1)6 \\ \\ t15 = 7 + 90 \\ \\ \\ = 97$
fifteenth term is 97

Answer 2

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HERE IS YOUR QUESTION'$ SOLUTION⤵⤵⤵⤵⤵⤵

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(5).

SOLUTION:-

GIVEN :- First term (a) = 7
common difference (d) = 6


Find :-

a(15) = ?


a(n) = a + (n - 1)d

PUTTING THE VALUES IN FORMULA...

a(15) = 7 + (15 - 1)×6

a(15) = 7 + (14) × 6

a(15) = 7 + 84

a(15) = 91


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