Math, asked by arshpreet56, 2 days ago

12. Verify: (ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) = 0

Answers

Answered by dud77457

0

Given,

L.H.S.=>(ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab)

= (ab)²-(bc)²+(bc)²-(ca)²+(ca)²-(ab)²

=0

=R.H.S.

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