[ (नाथ)कक. zu+um+ रद दर -- _ वि (त – InterviewSolution

1.

[ (नाथ)कक. zu+um+ रद दर -- _ वि (त

Answer»

(m^2 - n^2) /(m+n)^2 × (m^2 + mn + n^2) /m^3 - n^3

= [(m-n)(m+n)/(m+n)^2] × [(m^2 + mn + n^2)]/[(m-n)(m^2 + mn + n^2)]

= (m-n)/(m+n) × 1/(m-n)

= 1/(m+n)

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