Grade 128 grade maths
Show that.(a – b) (a + b) + (b – c) (b + c) + (c – a) (c + a) = 0
Show that.
(a – b) (a + b) + (b – c) (b + c) + (c – a) (c + a) = 0
1 Answer
Harshit Singh
Dear Student
LHS = (a–b) (a + b) + (b–c) (b + c) + (c–a) (c + a)
=a^2- b^2+ b^2- c^2+ c^2- a^2
= 0
= RHS
Thanks
LHS = (a–b) (a + b) + (b–c) (b + c) + (c–a) (c + a)
=a^2- b^2+ b^2- c^2+ c^2- a^2
= 0
= RHS
Thanks
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