Advertisements
Advertisements
प्रश्न
Which one of the following is not a quadratic equation?
विकल्प
(x + 2)2 = 2(x + 3)
x2 + 3x = (–1)(1 – 3x)2
x3 – x2 + 2x + 1 = (x + 1)3
(x + 2)(x + 1) = x2 + 2x + 3
MCQ
Advertisements
उत्तर
(x + 2)(x + 1) = x2 + 2x + 3
Explanation:
(x + 2)(x + 1) = x2 + 2x + 3
So, x2 + 3x + 2 = x2 + 2x + 3 gives x – 1 = 0
It’s not a quadratic equation.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
