Math, asked by Radha2707, 3 months ago

for AP the first two terms are - 3 and 4 find 21st term​

Answers

Answered by Anonymous
6

Sᴇᴇ ᴛʜᴇ ᴀʙᴏᴠᴇ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ ɪs ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ✍︎

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Answered by jayagopalan
5

Answer:

1st term a= -3

difference d= t2-t1= 4-(-3) = 7

To find 21st term

t21= a+(n-1)d

t21= -3+(20)7

t21= -3+140

∴21st term=137

Step-by-step explanation:

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