Math, asked by anufsgag, 1 year ago

plz answer fast please answer if you can
best answer will marked as brain list answer

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Answered by momica

0

proof:

LHS:

(p+q+r)cube - p3 - q3 - r3

=p3 + q3 + r3 + 3(p+q) (q+r) ( r+p) - p3 - q3 - r3

=3(p+q) (q+r) (r+p)

=RHS

hence, proved

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