Math, asked by purudas6893, 8 months ago

find the value of ab +bc +ca =

Answers

Answered by aman620630

0

Answer:

an+bc+can=2a+2b+2c

=2(a+b+c)

Answered by yashkarmur34

3

Answer:

ab+BC+CA=23 ans

Step-by-step explanation:

2(ab+BC+CA) =81-35then we get ab+BC+CA=46/2 so ab+BC+CA=23

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