Advertisements
Advertisements
प्रश्न
Solve the following quadratic equation:
3x2 – 243 = 0
बेरीज
Advertisements
उत्तर
Given:
3x2 – 243 = 0
⇒ 3(x2 – 81) = 0
⇒ (x)2 – (9)2 = 0
⇒ (x + 9)(x – 9) = 0
⇒ x + 9 = 0 or x – 9 = 0
⇒ x = –9 or x = 9
Hence, –9 and 9 are the roots of the equation 3x2 – 243 = 0.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
