Question

evaluate (2a - 1/a)2
pls answer fast​

Answer 1

Answer:

ज्स्ब्फ्ज्जण्गँक्ष्णच्ज़्ंगणक्ष न्स्ज्ग

Step-by-step explanation:

ज्द्ज्स्न्ग्म्ज़्ंस्ंक्ष्ंध्फजकजेक्ज़्घंद्ब्फ्न्स202प273व

Answer 2

Solution :-

$(2a - \frac{1}{2} )(2a - \frac{1 }{2} )$

$(2a - \frac{1}{2} ) {}^{2}$

We know that,

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

Here,

$a = 2a \: and \: b = \frac{1}{2}$

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

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

$(2a - \frac{1}{2} )(2a - \frac{1}{4} ) = 4 {a}^{2} - 2a + \frac{1}{4}$