Question

16. If 4x^2 + y^2 = a and xy = b, find the value of
(2x + y)​

Answer 1

Answer:

4x^2 + y^2 = a

(2x + y)^2 - 4xy = a

(2x + y)^2 - 4b = a

2x + y = square root of a + 4b

Step-by-step explanation:

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