Question

Which identity will use in the equation
4x²-2+1/4x²

Answer 1

Answer:

${4x}^{2} - 2 + \frac{1}{4} {x}^{2}$

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

${(2x)}^{2} - 2 \times 2x \times \frac{1}{2x} + { (\frac{1}{2x}) }^{2}$

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