Question

n(n-1)×3(n+1/2) = 0............

Answer 1

Answer:

n²- n × 3n + 3 / 2 = 0

n² - n × 3n+ 3 = 2

n × 3n + 3 =2

3n² = 2 - 3

n² = -1/3

n = 3