Sir but i got the answer of ncert by a different method

In triangle abc, if ad is the median ,then show that ab2+ac2=2(ad2+bd2)

Form the differential equation y=c sin^-1x (c is a parameter).

Converse of Pythagoras theorem 

Converse of Pythagoras theorem 

Converse of Pythagoras theorem 

I need the explanation

H.C.F×L.C.M

Find two number whose sum is 27 and product is 182

If a person having saving bank a/c in xxx bank and also in saving bank a/c in post office 
1.interest income in xxx bank is Rs 25000
2. Interest income in post office sb a/c is Rs 12000

 Rs 10000 interest income is Max   Rs 3000 for single or Rs 7000 for joint a/c (in post office sb a/c)
Both deductions  wl available to a person or only Rs 10000 ??

Can you translate the whole hindi text book of class 10 NCERT to English

Corresponding angle

  for 6 th question I want Answer

Which capture

5/26 5/13-2/13

What happens if we add 150 and 105
Then what is the answer 

If we add 150 and 110