Question

expand (9/4-b/2+1)^2 using identity

Answer 1

Hi ,

we know that algebraic identity

( x+y+z)² = x²+y²+z²+2xy+2yz+2zx

( 9/4 - b/2 + 1 )²

= (9/4)² + ( -b/2)² +1² +2×(9/4)×(-b/2)+2×(-b/2)×1+2×(1)(9/4)

= 81/16 + b²/4 + 1 -9b/4 - b +9/2

I hope this helps you.

:)

Answer 2

this is the answer
if it helped you please rate my answer as brilliant answer