Q. a × b = 2a - 3b + ab, then 3 × 5 + 5 × 3 = ?
✅ Correct Answer: (C)
22
Explanation: = 2(3)-3(5)+(3 × 5) + 2(5)-3(3)+(5 × 3)
= 6-15+15+10-9+15 = 31-9 = 22
Explanation by: Nisha Gupta
= 2(3)-3(5)+(3 × 5) + 2(5)-3(3)+(5 × 3)
= 6-15+15+10-9+15 = 31-9 = 22
= 6-15+15+10-9+15 = 31-9 = 22