Math, asked by Arohi28876, 1 year ago

a+b+c=3
a²+b²+c²=6. and
1/a+1/b+1/c = 1
then abc is.....?

Answers

Answered by Anonymous
4

1/a + 1/b + 1/c

= ab + bc + ca )/ abc = 1

ab + bc + ca = abc

( a+b+c) = 3

( a+ b+c)^2 = 9

a^2 + b^2 + c^2 + 2( ab+ bc+ ca) = 9

6 + 2abc = 9

2abc = 3

abc= 3/2


Arohi28876: tysm bro
RashidUmRani: I have another simple method
Arohi28876: what
RashidUmRani: a+b+c/abc=1. 3/abc=1 abc=3
RashidUmRani: answer is right
Arohi28876: hmm
Arohi28876: thnx
RashidUmRani: ok
Answered by excalibur6228
1

the answer is

1/a+1/b+1/c=1

a+b+c/abc =1

a+b+c = abc

a+b+c = 3 (given)

3 = abc

or

abc=3/2

Therefore please look at it and mark me as brainliest or follow me


Arohi28876: sry bro the ans is wrong
RashidUmRani: no method complicated I'm send u simple method
Similar questions