find five number in ap such that their sum is 20 and the product of first and last 15
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Answer:
1st term : 3
2nd term a+d = 7/2
3rd term = a +2d = 4
4th term = a +3d = 9/2
5th term = a+4d = 5
Step-by-step explanation:
1st 5 term of AP is
a
a+d
a+2d
a+3d
a+4d
a = 3 ,d =1/2
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