JEE Main 2019 Mathematics question
If a, b and c be three distinct real numbers in G.P. and a + b + c = xb, then x cannot be:
Answer: (B)
Solution
with r ≠ ±1, so x > 3 or x < −1.
If a, b and c be three distinct real numbers in G.P. and a + b + c = xb, then x cannot be:
with r ≠ ±1, so x > 3 or x < −1.