Question

If the sum of two numbers is 22 and the sum of their squares is 404, then the
product of the numbers is
(A)
24
(B)
78
(C)
40
(D)
80
An​

Answer 1

Answer:

The answer is 40.

Detailed Explanation

x+y=2 (i)

x^2+y^2= 404 (ii)

therefore,

(x+y)^2 = x^2 + y^2 + 2xy

(22)^2 = 404 + 2xy

484 - 404 = 2xy

80 =2xy

xy= 40.

Answer 2

Answer:

b i think so you may be confuse i think