NDA2024MathematicsTrigonometric Ratios & IdentitiesActual
What is 17^ - 17^ 17^ + 17^ equal to?
Options
- A34^
- B34^
- C62^
- D62^
Correct answer
D. 62^
Step-by-step solution
aligned & Let I = 17^ - 17^ 17^ + 17^ = 17^ (1- 17^ 17^ ) 17^ (1+ 17^ 17^ ) & I = 45^ - 17^ 1+ 45^ 17^ & = (45^ -17^ )= 28^ & = (90^ -62^ )= 62^ aligned