If ab = 21 and(a + b)2 = 25 then the value of a2 + b2 + 3ab is (a b)24

If ab = 21 and(a + b)2 = 25 then the value of a2 + b2 + 3ab is (a b)

1.	If ab = 21 and(a + b)2 = 25 then the value of a2 + b2 + 3ab is (a b)24
A.	115
B.	121
C.	125
D.	127
Answer» C. 125