Question

If a = 24, b = 26, c = 28, then the value of a2 + b2 + c2 – ab – bc – ac will be _____. (a) 0 (b) 4 (c) 8 (d) 12

Answer 1

Answer:

I think 100will be the answer as

(24)²+(26)²+(28)²+24×26-26×28-24×28

• 576+676+784-624-728-784
• 2136-2036
• 100

i hope this will help and follow me!