Question

If a=3,b=4 and c =5, then find the value of 2ab +3bc-ca​

Answer 1

= 2 ab+3bc-ca

= 2 (3) (4) + 3 (4) (5) - (5) (3)

= 24 + 60 - 15

= 84-15

= 69

hope it helped u :)

i did it using my smol brain xd