are the sum of the three consecutive terms of an ap is 30 and their product is 360 find the terms
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Answered by
2
Answer:
Step-by-step explanation:
Let the three consecutive no. be
a-d,a ,a+d.
Therefore a-d+a+a+d=30.
3a= 30
a=10.
(a-d)(a)(a+d)=360.
Solve substituting a=10
You will get d=+-8
Answered by
2
Step-by-step explanation:Answer:
Step-by-step explanation:Let the three consecutive terms of the A.P be (a-d),(a) , (a+d).
From First condition,
(a-d)+(a)+(a+d)=30
a+a+a=30
3a=30
a=10
From 2nd condition,
(a-d)×(a)×(a+d)=360
Putting a=10,
(10-d)×(10)×(10+d)= 360
(10-d)×(10+d)= 360/10
(10-d)×(10+d)= 36
Bracket multiplication,
100-d²=36
d²=100-36
d²=64
d= +_8.
The required three consecutive terms are:
1.(a-d) =10-8=2
2.(a)= 10
3.(a+d)= 10+8=18
OR
1.(a-d) =10-(-8)=18
2.(a)= 10
3.(a+d)= 10+(-8)=2
Ans: The three consecutive terms are 2,10,18 OR 18,10,2.
Hope it helps!!!
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