n2 - 1 8. 5. {2" + n}n-2 A 6. n + 1 n-3 (-1)" (-1)"-1 n² 7. an 8. an 4" 10. a, = 1 + (-1)" 9. a,= cOS NT (-2)" 2n + 1 12. ал 11. an n! + 1 || (n + 1)! 13. а, — 1, а, I3 2а, +1

Q: 2.0xl 794.781 こ 20

A:

Q: 6.5 please

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have…

Q: 125=252h+1

A: GIVEN: The equation125=252h+1 CALCULATION: We have to find the value of h. The given can be written…

Q: Queslion lo

A:

Q: 5+277575

A: Topic:- simplification

Q: Express 5 years and 7 months in months. months

A:

Q: Subtract. 9. 3

A:

Q: 2430.20 2430.20 -

A: The given number 243 can be written as 35 and the number 0.20 can be written as 1/5:

Q: What is 20times 600

A: 20 times of 600 is,

Q: 6x 0 < * = 5e

A: we can see from the graph

Q: 100+50097=

A: Given:   100+50097

Q: X 60° Y 503 5

A:

Q: 7/8 Fraction as a decimal.

A: Given:

Q: -5/8 + 1/10 + 3/4

A:

Q: represent 17/20 as a decimal

A:

Q: 0.6 T² 9 - 25x² dx

A: The given integral is x2/sqrt(9-25x2), limit from 0 to 0.6.

Q: -(2/5)-3

A:

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.