Question

4x² – 9 = 0 implies x is equal to ______.

विकल्प

• `3/2`

• `9/4`

• `-3/2`

• `±3/2`

Answer 1

4x² – 9 = 0 implies x is equal to `underlinebb(±3/2)`.

Explanation:

Given 4x² – 9 = 0

`\implies` 4x² = 9

`\implies x^2 = 9/4`

`\implies x = ±sqrt(9/4)` 

`\implies x = ±3/2`