Question

Q 9. If a = 1, b = -2, c = 3, then find the value of aXa + bXb + cXc + ab+bc + ca.​

Answer 1

Answer:

9

Step-by-step explanation:

axa+bxb+cxc+ab+bc+ca

=1x1+(-2)x(-2)+3x3+1x(-2)+(-2)x3+1x3

=1+4+9-2-6+3

=17-8

=9

Answer 2

Answer:

2,b=-3,c=4, then find the value of AXA+b×b+ c×c+ab+ab+bc+ca.=ta,ut