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1.
The sum of square of two numbers is 48 and the square of their diffrence is 16. The prodduct of the two number is-
- A. 16
- B. 16
- C. 16
- D. 16
Answer: Option A
Explanation:
(x-y)²=16
x²+y²=48
Now,
x²+y²=(x-y)²+2xy
Or,(48-16)/2=xy
Or, xy=16
(ans)
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