Math, asked by devs88302, 5 hours ago

Find : a 2

+ b2

+ c2 , if a + b + c = 9 and ab + bc + ca = 24.

Answers

Answered by Krishrkpmlakv
2

Answer:

Step-by-step explanation:

Attachments:
Answered by EJboy
0

Answer:

33

Step-by-step explanation:

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

                      = a2+b2+c2+2(ab+bc+ca)

                      = a2+b2+c2+2*24

              9^2       = a2+b2+c2+48

              81=a2+b2+c2+48

             a2+b2+c2=33

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