Question

a*b=a^2-b^2-ab then 3*(1*1)​

Answer 1

Answer:

a×b=2a−3b+ab

find 3×5+5×3

3×5[a=3,b=5]

∴3×5=2(3)−3(5)+3(5)

3×5=6

5×3[a=5,b=3]

∴5×3=2(5)−3(3)+(5)(3)

=10−9+15

5×3=16

∴3×5+5×3=6+16

3×5+5×3=22