plz answer question no. 9
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ab=343
if a=x and b=7x, then
(x)×(7x)=343
or 7x^2=343
or x^2=49
or x=7
a+b
=x+7x
=7+49
=56
if a=x and b=7x, then
(x)×(7x)=343
or 7x^2=343
or x^2=49
or x=7
a+b
=x+7x
=7+49
=56
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