\left. \begin{array} { l } { ( 4 ) \text { Simplify the following usin – InterviewSolution

InterviewSolution

1.	\left. \begin{array} { l } { ( 4 ) \text { Simplify the following using } p ^ { 2 } - q ^ { 2 } = ( p + q ) ( p - q ) } \\ { ( a ) 38 ^ { 2 } - 12 ^ { 2 } } & { 65 \times 55 } \end{array} \right.
Answer» (38+12)(38-12)=5026=1300

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