Question

The value of 9a2 + 4b2 + 16c2 + 12ab-24ac - 16bc for b = 1, c= -2 will be
a) O
b) 64
c) 256
d)32​

Answer 1

Answer:

9a^2+4+64+12a+24a+32

9a^2+36a+100

since the value of a is not given we cannot solve it further

and if a is positive the the answer is 256