DSSSB · Mathematics
If the average of a, b and c is x and ab + bc + ca = 0, then find the average of a2, b2, c2.
- x2
- x3
- 3x2
- 3x
If the average of a, b and c is x and ab + bc + ca = 0, then find the average of a2, b2, c2.
- x2
- x3
- 3x2
- 3x
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