if 4X square + Y square equals to a and xy equals to B find the value of 2x + Y
Question
if 4X square + Y square equals to a and xy equals to B find the value of 2x + Y
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Mathematics
11 months
2021-06-30T15:14:57+00:00
2021-06-30T15:14:57+00:00 2 Answers
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Step-by-step explanation:
If 4x^2 + y^2 = a and xy = b , find the value of 2x + y .
4x
2
+y
2
=a and xy=b
4x
2
+4xy+y
2
=a+4b
⟹(2x+y)
2
=a+4b
⟹2x+y=
a+4b