Question

f 4x² + y² = a and xy=b, find
2x+y​

Answer 1

Answer:

$\sqrt{a + 2b}$

Step-by-step explanation:

(2x+y)² = 4x²+y²+2xy

=> (2x+y)² = a+2b

$= > 2x + y = \sqrt{a + 2b}$

Hope it helps you.