A*b = (a + b) + ab the (3*4) - (2*3) = _____?
- 8
- 7
- 6
- None of these
Explanation
a*b = (a+b) + ab
3_4 = (3+4) + 3×4 = 7 + 12 = 19
2_3 = (2+3) + 2×3 = 5 + 6 = 11
(3_4) - (2_3) = 19 - 11 = 8
Related MCQs
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
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