1.

Evaluate the following using suilable identity. (-25)^3+10^3+15^3​

Answer»

a=-25

b=10

c=15

a+b+c= -25+10+15=0

USING identity

if a+b+c=0 then

a^3+b^3+c^3= 3abc

hence, -25^3+10^3+15^3=3×(-25)×10×15

=-75×150=-11250


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