Question
If , , [0, ] and if , , are in AP, then - - is equal to
BITSAT
Mathematics
Sequences and Series
2022
BITSAT 2022
BITSAT Mathematics Question (2022) — Solution
Options
- A.
- B.
- C.
- D. 2
Answer
C.
Step-by-step solution
- - = 2 + 2 - 2 2 + 2 - 2 = + 2 [ array l A- B=2 ( A+B 2 ) ( A-B 2 ) \\ and A- B=2 ( A+B 2 ) ( B-A 2 ) array ] But , , are in AP + 2 = So, required value is .
Related: Mathematics — Sequences and Series · All PYQ Banks