1.

Two sides of a rectangle are \[(3p+5q)\] units and \[(5p-7q)\]units. What is its area in sq. units?

A.  \[15{{p}^{2}}+4pq-35{{q}^{2}}\]
B.  \[15{{p}^{2}}-4pq+35{{q}^{2}}\]
C.  \[15{{p}^{2}}+14pq+35{{q}^{2}}\]
D.  \[15{{p}^{2}}-14pq-35{{q}^{2}}\]
Answer» B.  \[15{{p}^{2}}-4pq+35{{q}^{2}}\]


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