Question

expand (1/2a-1/4b+2)²

Answer 1

I think by The above image you have Understood

Answer 2

Answer:

$\huge\orange{\mid{\fbox{\tt{★Solution:-}}\mid}}$

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

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

$={ \frac{1}{4}a }^{2} + { \frac{1}{16} b}^{2} + 4 - \frac{ 1}{4} ab - b + 2a$

$\small\pink{\mid{\fbox{\tt{Hope it's helpful uh ♡♡}}\mid}}$