Question

If a+b+c=9 and ab+bc+ca=26 then the value of a²+b²+c² is Answer fast....

Answer 1

Answer:

Step-by-step explanation:

Given that,

a + b + c = 9 and ab+ bc + ca = 26

∴ a² + b² + c² = ( a + b + c )² - 2 ( ab + bc + ca )

= ( 9 )² - 2 (26 )

= 81 - 52

= 29 is the answer.