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Question : 32 of 160
Marks:
+1,
-0
Solution:
a=++ b=+3+5 c=7+9+11 Then,
a+b=2+4+6 and
b+c=8+12+16 =4(2+3+4) Area of parallelogram
=|(a+b)×(b+c)| =|2(+2+3)×4(2+3+4) =|(+2+3)×(2+3+4)| =4√1+4+1=4√6 sq units
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