" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
yg diketahui dimasukkan dlm rumus ,maka:
Lp = 2( 2a+3)(4a)+2(2a+3)(2a-2)+2(4a)(2a-2)
=2(8a²+12a)+2(4a²-4a+6a-6)+2(8a²-8a)
=16a²+24a+8a²+4a-12+16a²-16a
=40a²+12a-12 (A)