Question

please answer my question​

Answer 1

Answer:

given b+c=9 and a

2

+b

2

+c

2

=35

Using formula,

(a+b+c)

2

=a

2

+b

2

+c

2

+2(ab+bc+ca)

9

2

=35+2(ab+bc+ca)

2(ab+bc+ca)=81−35=46

(ab+bc+ca)=23

using formula,

(a

3

+b

3

+c

3

)−3abc=(a

2

+b

2

+c

2

−ab−bc−ca)(a+b+c)

a

3

+b

3

+c

3

−3abc=(35−23)×9=9×12=108

Answer (B) 108

Answer 2

Answer:

Your answer is in the attachment.

Step-by-step explanation:

Hope it helps......

Just correct :-

it is 9(35-23) = 9 × 12 = 108

So, answer is 108