13. If (a + b)2 = 9 and (a - b)2 = 49, what is the
value of a2 + b2?
(A) 17
(B) 20
(C) 29
(D) 58
Answers
Answered by
0
Answer:
the correct answer is d 58
Answered by
1
Answer:
Option C
hopefully it will help you
Attachments:
Similar questions