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In triangle ABC ,angle B=90^@. If points...

In `triangle ABC` ,`angle B=90^@`. If points D and E are on side BC such that BD=DE=EC, then which of the following is true?
त्रिभुज ABC में, `angle B=90^@` है | यदि बिंदु D और E भुजा BC पर इस प्रकार स्थित हैं कि BD=DE=EC है, तो निम्नलिखित में से कौन सा सही होगा ?

A

`8AE^2= 3AC^2+ 5AD^2`

B

`8AE^2= 5AC^2+ 3 AD^2`

C

`5AE^2= 2AC^2+ 3 AD^2`

D

`5AE^2= 3AC^2+ 2 AD^2`

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