the sum of first n terms of an A.P. is 5n2-8n. find the A.P. and hence find its 15th term
Answers
Answered by
29
Hope this helps you.
Pls mark as brainliest:)
Pls mark as brainliest:)
Attachments:
Pranjal01:
Can u please write the full question
Your question isn't clear
....
solve the following equation and give your answer correct to 3 significant figure: 5x2-3x-4=0
can you plz help me..?
Sure
x={-b∓√(b2-4ac)}/2a
={3∓√(9+80)}/10
x=(3+√89)/10. Or. x=(3-√89)/10
x=1.243 Or. x=-0.643
Hope it helps
={3∓√(9+80)}/10
x=(3+√89)/10. Or. x=(3-√89)/10
x=1.243 Or. x=-0.643
Hope it helps
thank you so much ...u r the greatest help for me
for an A.P., the sum of its term is 60, common difference is 2 and last term is 18. find the number of term in A.P.
plz answer this...
Answered by
6
All the best for your board exams
Similar questions