If 2x+3y =8 and xy =4,then find the value of 4xsquare +9ysquare?
Answers
Answered by
4
Answer:
16
Step-by-step explanation:
Given 2x+3y=8 and xy=4
squaring on both sides of 2x+3y=8
(2x+3y)²=8²
4x²+9y²+12xy=64
4x²+9y²=64-12xy
4x²+9y²=64-12(4). [given xy=4]
4x²+9y²=16.
Answered by
1
Answer:
Step-by-step explanation:
Attachments:
Similar questions