If a=1b=2,c=then finds the value of a2+b2+c2+ab+bc+ca
Answers
Answered by
0
Answer:
Answer:
=a²+b²+c²+ab -bc -ca
=1²+2²+(-1)²+1×2 -(2×-1) -(1×-1)
=1+4+1+2+2+1
=11
hope it helps uhh.....
Step-by-step explanation:
Similar questions