Question

If a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c
2.

Answer 1

Answer:

35

Step-by-step explanation:

a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c=35

Answer 2

Step-by-step explanation:

formula (a+b+c) ^2=a2+b2+c2+2×ab+bc+ca

ans

(9) ^2=a2+b2+c2+2×23 (given a+b+c=9)

(ab+bc+ca=23 )

81=a2+b2+c2+46

a2+b2+c2=81-46

a2+b2+c2=35

answer is 35

please brainlist answer karo