If x+y=6 and x-y=4 find x square +y square and xy
pramod75:
X²+y²=26and xy=5
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Here is your solution.
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Hope this helps you.....☺
Thanks ⭐✴✴✴
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x-y = 4
→ x= 4+y
therefore,
x + y = 6
→ 4+y+y =6 [x=4+y]
→ 2y= 6-4
→ y = 1
therefore x = 5
so, x²= 25
y²= 1
→ x²+ y² = 26
now xy = 5
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