Math, asked by shivamkumar68, 10 months ago

समांतर श्रेढ़ी 8, 13, 18, ..., 128 में पदों की संख्या बताएँ एवं श्रढ़ी का मध्य 9,
निकालिए।​

Answers

Answered by Anonymous
1

Answer:

given that

8,13,18.......128

total number of terms

 128 = 8 + (n - 1)5

120 = 5n - 5

n = 25

⏭️

there \: are \: 25 \: terms

we \: find \: 9th \: term

t9 = 8 + (9 - 1)5

t9 = 8  + 40

t9 = 48 \:  \:  \:  \:  \: answer

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