None of the above
equal
equal in magnitude but opposite in sign
reciprocal to each other
None of the above
In the expansion of , the coefficient of is ____.
None of the above
/
7 only
14 only
7 or 146
None of the above
/
If then ____.
None of the above
/
a=2
b=1,a=3
a=3
b=4
/
None of the above
If then is equal to _____.
1
256
0