6. Evaluate the following products by using suitable identities.
a) 116 X 116 - 106X 106
b) (4 + 5x)^2
c)(x-2)^3
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Answer:
a)
116×116=13456
106×106=11236
116×116-106×106=2220
b)
=(4)^2 +2(4)(5x) +(5x)^2
=16+40x+25^2
c)
x^3 -6x^2 +12x -8
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