If #a^2 + b^2 = c^2# = 12.85 and ab=5.58, then (a + b)^2 =?
1 Answer
May 7, 2018
Explanation:
#"note that "#
#(a+b)^2=a^2+2ab+b^2#
#color(white)(xxxxx)=a^2+b^2+2ab#
#color(white)(xxxxx)=12.85+(2xx5.58)#
#color(white)(xxxxx)=12.85+11.16=24.01#
