choose the correct option with complete explanation
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NP=MC=AC−AM=12−x
And since △ AMN~△ABC
[You can prove it easily using AA criterion] ,
So MN/AM = BC/AC ,
MN/x =5/12 ⇒MN=5/12x,
Now y= MN+NP,
=5/12x + 12 -x,
= 144 - 7x / 12,
So y = 144 - 7x / 12
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mysticd:
thank u
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Answer:
the correct option is 2 ) Y =5x/12+12/5
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