Usual limit of sin is sinX/X--->1, when X--->0
sin3x/5x^3-4x=0/0?, sin3x/3x--->1 when x --->0, so sin3x/5x^3-4x= [3x. sin3x / 3x] /(5x^3-4x)=(sin3x / 3x) . (3x/5x^3-4x)
=(sin3x / 3x) . (3/5x^2- 4)
finally lim sin3x/5x^3-4x=lim (sin3x / 3x) .(3/5x^2- 4)=1x(3/-4)= - 3/4
x----->0 x---->0

The final result is: C) x(x - 8)(x + 8).
Answer:
Step-by-step explanation:
2(l + w) = P
l + w = P/2
l = P/2 - w
Option 2
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All square numbers ends with 0,1,4,5,6 or 9 at units place.