NDA2016MathematicsTrigonometric Ratios & IdentitiesActual
If A= ( 12^ - 36^ ) ( 96^ + 24^ ) and B = ( 60^ - 12^ ) ( 48^ - 72^ ) , then what is A B equal to?
Options
- A–1
- B0
- C1
- D2
Correct answer
C. 1
Step-by-step solution
aligned & Given A= ( 12^ - 36^ ) ( 96^ + 24^ ) & B= ( 60^ - 12^ ) ( 48^ - 72^ ) & A B = [2 24^ 12^ ] [2 60^ 36^ ] [2 36^ 24^ ] [2 60^ 12^ ] & A B =1 aligned