2 Answers
x2=x+1
বা, x2-x-1=0 হলে, x
=[-(-1) + root{(-1)2-4·1·(-1)}]/2·1
= (1 + root5)/2
এখন,
x=(1+a)/2
বা, (1 + root5)/2 = (1+a)/2
বা, 1 + root5 = 1+a
বা, a = + root5
বা, x2-x-1=0 হলে, x
=[-(-1) + root{(-1)2-4·1·(-1)}]/2·1
= (1 + root5)/2
এখন,
x=(1+a)/2
বা, (1 + root5)/2 = (1+a)/2
বা, 1 + root5 = 1+a
বা, a = + root5
2827 views
Answered
Related Questions
Next steps
- Find a doctor for in-person or online consultation
- Browse medical tests patients often ask about
- Check medicine information (uses, dosage, brands in Bangladesh)
- More health Q&A on Bissoy