2. Find two numbers a and b such that ab = 36 and a - b = 5.
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Answer:
a=9, b=4
Step-by-step explanation:
(a+b)²=4ab + (a-b)²
=144+25
=169
therfore, (a+b)=13
adding (a+b) and (a-b), we get 2a=18
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