Question

ab + b + ac کی قیمت معلوم کریں ۔ اگر11 = a + b + c اور 64 = 2 + a2 + b2 ہوں تو (Surds and their annlications)​

Answer 1

Answer:

Correct option is C)

Formula (a−b)

2

=a

2

+b

2

−2ab

Given, a

2

+b

2

=41 and ab=4

So, (a−b)

2

=a

2

+b

2

−2ab=41−2×4=41−8=33

=>a−b=

33