Math, asked by akshyakrishnakumar03, 1 year ago

the sum of three consecutive terms of an ap is 3 and the product is negative 35 find the numbers

Answers

Answered by saisagar6129
8
Let the numbers be a - d, a, a + d
Sum will be
a - d + a + a + d = 3
3a = 3
a = 1

(a - d) (a) (a + d) = - 35
(a square - d square) (1) = - 35
1x1 - d square = - 35
1 - d square = - 35
- d square = - 36
d square = 36
d = 6
The numbers are - 5, 1, 7

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Answered by NerdyGamer013
6
Let the AP be (a-d),(a),(a+d) where (a-d) is the first term and d is the common difference
Given
a + (a + d )+ (a - d) =  3 \\  =  > 3a = 3 \\   =  > a =  \frac{3}{3}  = 1
So The Middle Term is 1
a(a - d)(a + d) =  - 35 \\ as \: a = 1 \:  \: so \\ 1(1 - d)(1 + d) =  - 35 \\  =  >  {1}^{2}  -  {d}^{2}  =  - 35 \\  =  > 35 + 1 =  {d}^{2}  \\  =  > d =  \sqrt{36}  \\  =  > d = 6
So the terms are
(a-d), (a) and (a+d)
=(1-6) , (1) and (1+6)
= -5 , 1 , 7
so \: the \: numbers \: are \:
-5, 1 and 7

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