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CBSE Class 9 Answered

.  If x + y = 12 and xy = 32, Find the value of x2 + y2.  
Asked by czishrey | 12 Jan, 2022, 04:02: PM
answered-by-expert Expert Answer
open parentheses straight x plus straight y close parentheses squared equals straight x squared plus 2 xy plus straight y squared
12 squared equals straight x squared plus straight y squared plus 2 cross times 32
So comma
straight x squared plus straight y squared equals 80
Answered by Arun | 13 Jan, 2022, 10:05: AM
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