Math, asked by bns970, 10 months ago

त्रिभुज ABC में कोण C समकोण है, तथा के सामने की भुजाओं के मान क्रमशः a,b,c है। तथा CD भुजा अब पर लंब है तो सिद्ध करो कि (1/p^2)=(1/a^2)+(1/b^2)​

Answers

Answered by iampriyanshk
1

Step-by-step explanation:

in ∆Abc

let CD_|_ab

cd=p

in ∆ABC AREA =1/2×AB×CD=1/2CP

ALSO

AR∆ABC=1/2ab

in abc

AB^2=BC^2+AC^2

C^2=a^2+b^2

[ab/p]^2=a^2+b^2

a^2b^2/p^2=a^2+b^2

1/p^2=a^2+b^2/a^2b^2

=1/p^2=1/a^2+1/b^2

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