If a2+b2=41 and ab=4, then find a−b.
Formula (a−b)2=a2+b2−2abGiven, a2+b2=41 and ab=4So, (a−b)2=a2+b2−2ab=41−2×4=41−8=33
=>a−b=√33
If a2+b2=41 and ab=4, find :
(i) (a - b)
(ii) (a + b)
If the value of a2+b2 = 41 and ab = 20, find the value of a-b