If 2x+3y=4 and 2x-3y=2 find xy
Answers
Answered by
1
Answer:
2x+3y=14,2x−3y=2
Adding :
2x+3y=14
2x−3y=2
__________
4x=16
x=4
∴xy=4×2
=8
2×4+3y=14
8+3y=14
3y=6
y=2
Hope it help you
Similar questions
Music,
1 month ago
Hindi,
1 month ago
Social Sciences,
2 months ago
Computer Science,
2 months ago
Geography,
8 months ago
Physics,
8 months ago