plzzz explain this!!!
Attachments:
Answers
Answered by
2
It's Simple Use the identity
(a+b+c)²=a²+b²+c²+2(ab+bc+ca)
Now just substitute the values
10²=36+2(ab+bc+ca)
100-36=2(ab+bc+ca)
64/2=ab+bc+ca
So,ab+bc+ca=32 Answer
(a+b+c)²=a²+b²+c²+2(ab+bc+ca)
Now just substitute the values
10²=36+2(ab+bc+ca)
100-36=2(ab+bc+ca)
64/2=ab+bc+ca
So,ab+bc+ca=32 Answer
SitakantPinku:
great
Similar questions
Chemistry,
7 months ago
CBSE BOARD X,
1 year ago