(adsbygoogle = window.adsbygoogle || []).push({}); I need help in this ques !!

ABC is acute triangle. A1, B1, C1 are foot of altitudes. A1 is reflected about AC to get A2. Prove that B1, C1, A2 are collinear.....i couldnt evn figure out how to solve it...but i need it just tell me the method no need to proove....or just tell me the idea how to proove.....i need it...plez dont remove this ques...

I tried with the method of Angle chase geometry..but still couldnt get.....

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# I need help in this ques

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