I have searched this on internet. but everywhere i understood till here
s= −AC^2+AC+ 4r^2
after this they are telling maximum value occurs when
AC=-b/2a. didnt understand how they got this.
can anyone explain the math please ?
Thanks in advance.
Differentiate s w.r.to AC and you will find that s will be maximum when AC=0.5
For r=1 (sample test case)
s= 4*1^2 - 0.5^2 + 0.5 = 4-0.25+0.5 = 4.25
Not sure what’s b and a in your question…
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