Math, asked by swathi37, 1 year ago

If a+b+c=5 and ab+bc+ca=10, then prove that
a^{3}  + b^{3}  + c^{3} - 3abc = 25


vandanarajput: ....
swathi37: WHAT??
swathi37: somebody please...help me
swathi37: with this question

Answers

Answered by ajeshrai
3
this is your answer;;;;;;;;
Attachments:

swathi37: i thnk u hav got it wrong in one step
swathi37: in the 2nd equation u did 25-20..is tht so..?
swathi37: its 25+20..bcz u r taking 20 from RHS to LHS which was already a negative
swathi37: ??
Answered by vandanarajput
1
hope this helps you...
Attachments:

vandanarajput: plz mark my answer as brainliest
Similar questions