The sum of three terms of an A.P
is 21 and there product is 336. Find
the numbers.
Answers
Answered by
3
Step-by-step explanation:
let the nos be a-d ,a ,a+d
a+a-d+a+d=21
3a=21
a=7
a*(a-d)*(a+d)=336
a³-ad²=336
7³-7d²=336
7d²=343-336
7d²=7
d²=1
d=+1 or -1
nos are.
a=7
a+d=8 or 6
a-d=6 or 8
Answered by
0
Answer:
S3=21
let the three terms be a,a-d and a+d
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