Answers

2015-12-26T17:02:00+05:30
Question: x² = 4
Sol: x² = 4
⇒x² - 4 =0 ----------------(1)
Comparing (1) with general eq
ax² + bx +c = 0
Here a = 1, b = 0 and c = -4
Therefore it is a quadratic equation . A quadratic equation`s degree is always 2
0