Math, asked by eterna18, 2 months ago

s17-s16= ?
Arithmetic progression.

Answers

Answered by bugadwalazainab52

3

Step-by-step explanation:

S17 = 17/2* (2a + 16d)

17*(a+18d)

17a+ 136d

S16= 16/2*(2a + 15d)

8*(2a + 15d)

16a + 120d

S17 - S16 = 17a+136d-16a- 120d

a + 16d = a17

S17- S16 = a17

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