( - k / 2 )² = k² / 4
So:
( - k / 2 )² = 2 ∙ 18
k² / 4 = 36
Multiply both sides by 4
k² = 36 ∙ 4
k² = 144
k = ± √144
k = ± √12
(-k/2)^2=2*18,k^2=36*4.How is this possible i have no idea where *4 came from
3 answers
My typo.
Final solution:
k = ± 12
Final solution:
k = ± 12
Thanks alot