If the average of a, b, c be M and ab + bc = |
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a) |
M2 |
b) |
3M2 |
c) |
9M2 |
d) |
27M2 |
If the average of a, b, c be M and ab + bc = |
|||||||
a) |
M2 |
b) |
3M2 |
c) |
9M2 |
d) |
27M2 |