IF `a+b+c=6,a^2+b^2+c^2=26` then what is `ab+bc+ca` equal to

A

0

B

4

C

2

D

5

Verified by Experts

The correct Answer is:

D

Similar Questions

Explore conceptually related problems

If a+b+c=6, a^(2)+b^(2)+c^(2)=26 , then ab+bc+ca is equal to

If a+b+c=9anda^(2)+b^(2)+c^(2)=21 , then ab+bc+ca is equal to

If a+b+c=5, a^(2)+b^(2)+c^(2)=6 then ab+bc+ca=?

If a+b+c=6, a^(2) +b^(2)+ c^(2)=16 , find ab+bc +ca = ?

If a +b+c=6 , a^2 +b^2 +c^2 = 14 find the value of bc + ca +ab .

If a+b+c=6 and a^(2)+b^(2)+c^(2)=60 , then find ab+bc+ca

If a,b,c are sides an acute angle triangle satisfying a^(2)+b^(2)+c^(2)=6 then (ab+bc+ca) can be equal to

If a^2+b^2+c^2+96=8(a+b-2c) , then sqrt(ab-bc+ca) is equal to: यदि a^2+b^2+c^2+96=8(a+b-2c) तो, sqrt(ab-bc+ca) निम्न में से किसके बराबर है?

If a^(2) + b^(2) + c^(2) + 96 = 8(a + b - 2c) , then sqrt(ab - bc + ca) is equal to :

If (a + b + c)=6 and a^2 + b^2 + c^2=14 , then (ab+bc+ca)=?