Question

If a square minus b square is 36 and a+b=4 then (a-b)whole square is

Answer 1

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$\blue {\bold {Here \: is \: your \: answer}}$



$\underline\bold {Answer : 81}$


$Given \: : \: a^{2} \: - \: b^{2} \: = \: 36$



$( \: a \: + \: b \: ) \: ( \: a \: - \: b) \: = \: 36$



$Given \: : \: ( \: a \: + \: b \: ) \: = \: 4$


$4 \: ( \: a \: - \: b \: ) \: = \: 36$



$( \: a \: - \: b \: ) \: = \: 9$



$( \: a \: - \: b \: )^{2} \: = \: 9^{2}$



$( \: a \: - \: b \: )^{2} \: = \: 81$




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