Sum of 2 number is 20 and difference of square is 100 then product of number is
Answers
Answered by
0
Given,
x + y = 20 ———>1
x²-y²=100 ———>2
By 1,
y = 20-x
By putting this value in 2,
x²-(20-x)² = 100
=>x²-(400+x²-2×20×x)=100
=>x²-x²-400-40x = 100
After solving this,
x = (-12.5)
y = 32.5
xy = 32.5 × -12.5 = 406.25.
Hope this will help you.
If you like my answer
Please mark it as brainliest
And
Be my follower if possible.
x + y = 20 ———>1
x²-y²=100 ———>2
By 1,
y = 20-x
By putting this value in 2,
x²-(20-x)² = 100
=>x²-(400+x²-2×20×x)=100
=>x²-x²-400-40x = 100
After solving this,
x = (-12.5)
y = 32.5
xy = 32.5 × -12.5 = 406.25.
Hope this will help you.
If you like my answer
Please mark it as brainliest
And
Be my follower if possible.
Similar questions