please answer this question correctly please please please please please whose answer is correct i will mark you as brainlist and follow you and thank you for your answers please explain with explanation
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Answer:
4x
2
+y
2
=a and xy=b
4x
2
+4xy+y
2
=a+4b
⟹(2x+y)
2
=a+4b
⟹2x+y=
a+4b
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