SOLUTION: 5. Find �a� and �d� of an A. P., if S11 = 5580, a11 = 360. [ Ans: a = 0, d = 12 ] My Answer is coming in decimals... Pls let me way out... It is a Arithmetic Progression que

Question 1011604: 5. Find �a� and �d� of an A. P., if S11 = 5580, a11 = 360. [ Ans: a = 0, d = 12 ]

My Answer is coming in decimals...
Pls let me way out...
It is a Arithmetic Progression question
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
this answer , is incorrect
to find nth term in an arithmetic sequence you use this formula:

and to find the sum of terms in an arithmetic sequence you use this formula:

you are given (sum of terms),and ( term

........eq.1

.....eq.2

from eq.1 and eq.2 we have
.........solve for

then will be
........eq.1

check term:
if , and

which confirms our solution
and
if , and

which confirms our solution

RELATED QUESTIONS
Here is my last question.Thanks in advanced for your help:) Question: Let A be a 2... (answered by robertb)

Function Notation and Equations Find the function values. f(x) = x - 3 ------ (answered by macston)

The system of equations 4x+6y+8z=0 7x+8y+9z=0 and 3x+2y+z=0 has a) no solution b)only one (answered by stanbon)

Binomial probability: A company takes a sample of 20 boxes of cereal from their... (answered by stanbon)

2.2.4. An experiment has four possible outcomes A, B, C, and D. Check whether the... (answered by ikleyn)

Find the accumulated value of an investment of $17,000 at 6% compounded annually for 6... (answered by solver91311)

Find S11 for the geometric series 1+3+9+27+... Iv'e tried tn=3tn-1 and got t11=3^10 and... (answered by Alan3354)

Can you help me with a word problem? A baseball diamond is a square, 90 feet on a... (answered by scott8148)

A. Create matrix A such that a11=4, a12=6, a21=0, and a22=-1. B. What is the additive... (answered by jim_thompson5910)