Math, asked by vidhisaxena2110, 10 months ago

answer this question

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Answered by surajmandal1269

0

Answer:

9

Step-by-step explanation:

x+√5=4+√y

x-√y=4-√5

by comparing LHS and RHS

x=4 and y=5 , -5

so,

x+y = 9 or x+y = -1

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