10. If a + b = 9 and a - b = 5, then
the value of ab is
O 16
O 12
O 14
O 8
Required
Answers
Answered by
12
Answer:
14
hope that helps !!
xd...
Answered by
2
Answer:
a+b=9
A-B=5
Explanation:
2a=14
a=7
7+b=9
b=9-7=2
for value ab
7×2=14
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