If (7a)(7b)=7c7d, what is d in term of a b ans c? A 3/ab B c-a -b C a+b-c D c-ab If (7a)(7b)=7c7d, what is d in term of a b ans c? Correct Answer c-ab Bissoy MCQ Team May 27, 2023 গণিত Probashi Kallyan Bank অফিসার (জেনারেল) - 12.11.2021