The sum of 2 numbers is 36 and their product is 248. What will be the sum of their reciprocals
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Answers
Answered by
6
Question:
- The sum of 2 numbers is 36 and their product is 248. What will be the sum of their reciprocals?
Answer:
- The sum of their reciprocals is 9/26
Step-by-Step Explanation:
Given:
- The sum of two numbers is 36.
- And their product is 248.
To Find:
- The sum of their reciprocals?
Solution:
Let us assume:
- One number be x.
- Another number be y.
Now,
We have:
- Sum of numbers = x+y = 36
- Product of numbers = xy = 248
Sum of their reciprocals:
➻ 1/x + 1/y
➻ y + x/xy
Putting the values;
➻ 36/248
➻ 9/62
Hence, the sum of their reciprocals is 9/26.
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Answered by
6
Answer:
1/8
Step-by-step explanation:
Let numbers are A and B
A+B =36.
A× B= 288
A = 288/B
288/B +B = 36
288 + B^2 = 36 B
B^2 - 36 B + 288 =0
B°2 - 24B -12 B + 288 = 0
B(B - 24 ) -12 ( B - ,24) =0
(,B- 12) ( B - 24) =0
B= 12 or B = 24
A+ 12 = 36
A = 24
So numbers are ,12 and 24
The sum of their reciprocals are
1/12 + 1/24. =( 2+1)/24 =3/24 =1/8
The answer is 1/8
The sum of the reciprocals is 1/8
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