if x-y=13 and xy is equal to -5 ,then find the value of x² + y²
Answers
Answered by
0
Step-by-step explanation:
xy= -5
(x-y)²=(13)²
x²+y²-2xy=169
x²+y²-2(-5)= 169
x²+y²+10=169
x²+y²=159
#666
Answered by
0
Answer:
guf7f7t7t7
Step-by-step explanation:
tt7tufuydufgu88g8
Similar questions