If x = ( √(2a + 1) + √(2a − 1) ) / ( √(2a + 1) − √(2a − 1) ), then which of the following is true?(a) x^2 + 2ax + 1 = 0 (b) x^2 − 2ax + 1 = 0 (c) x^2 + 4ax − 1 = 0 (d) x^2 − 4ax + 1 = 0

Question

If  x = ( √(2a + 1) + √(2a − 1) ) / ( √(2a + 1) − √(2a − 1) ), then which of the following is true?(a) x^2 + 2ax + 1 = 0      (b) x^2 − 2ax + 1 = 0 (c) x^2 + 4ax − 1 = 0 (d) x^2 − 4ax + 1 = 0

KnowledgeBoat · Accepted Answer

Given, Hence, option 4 is the correct option.

Mathematics

If x = ( √(2a + 1) + √(2a − 1) ) / ( √(2a + 1) − √(2a − 1) ), then which of the following is true?(a) x^2 + 2ax + 1 = 0 (b) x^2 − 2ax + 1 = 0 (c) x^2 + 4ax − 1 = 0 (d) x^2 − 4ax + 1 = 0

Ratio Proportion

Related Questions