Math, asked by sushmaomar99, 1 year ago

a square + b square + c square is equal to 35 and AB + BC + CA is equals to 23 find a + b + c​

Answers

Answered by ishwarirele18
11

Step-by-step explanation:

I hope this would help.Its quiet easy .You only need to know the identity.Thats it.

Attachments:
Answered by mini607
9

Answer:

9

Step-by-step explanation:

(a+b+c)^2= a^2+b^2+c^2+2(ab+bc+ca)

(a+b+c)^2=35+2*23

(a+b+c)^2=35+46 =81

(a+b+c). =9


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