MHT CET202410 May 2024Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual
The value of (1+ 8 ) (1+ 3 8 ) (1+ 5 8 ) (1+ 7 8 ) is
Options
- A1 8
- B-1 8
- C1 16
- D-1 16
Correct answer
A. 1 8
Step-by-step solution
(1+ 8 ) (1+ 7 8 ) (1+ 3 8 ) (1+ 5 8 )= (1+ 8 ) (1- 8 ) (1+ 3 8 ) (1- 3 8 ) [ ( - )=- ] aligned & = (1- ^2 8 ) (1- ^2 3 8 ) & = ^2 8 ^2 3 8 & = 1 4 (2 8 3 8 )^2 & = 1 4 ( 4 - 2 )^2 & = 1 8 aligned