The value of 3x3y2 for x=1 and y=2 coincides with the value of 4a+b for a=2 and b=4.
True
For x=1 and y=2,
3x3y2 = 3×13×22 = 12
For a=2 and b=4,
4a+b = (4×2)+4 = 8+4 = 12
Hence the value of 3x3y2 for x=1 and y=2 coincides with the value of 4a+b for a=2 and b=4.
i.e. the given statement is true.