Question

If a+b+c=8 and ab+bc+ca=17 , then find the value of a2+b2+c2

Answer 1

Answer:

Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.

Step-by-step explanation:

Answer 2

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Formula,

(a+b+c)

2

=a

2

+b

2

+c

2

+2ab+2bc+2ca

⇒(a+b+c)

2

=a

2

+b

2

+c

2

+2(ab+bc+ca)

Given,

ab+bc+ca=10,a 2 +b

2 +c

2 =16

⇒(a+b+c)2 =16+2(10)

a+b+c=16+20 =6