Question

(3x+1/2x)² pls answer this it is from the chapter expansion​

Answer 1

Step-by-step explanation:

$(a + b) ^{2} = {a}^{2} + 2ab + {b}^{2}$

$(3x + \frac{1}{2x} ) ^{2} = (3x) ^{2} + 2(3x)( \frac{1}{2x} ) + ( \frac{1}{2x} ) ^{2}$

$= 9 {x}^{2} + 3 + \frac{1}{4x ^{2} }$