If a ^ { 3 } - b ^ { 3 } - c ^ { 3 } = 0 then the value of a ^ { 9 } - c ^ { 9 } - c ^ { 9 } - 3 a ^ { 3 } b ^ { 3 } c ^ { 3 } is

RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 15 of 120

Marks: +1, -0

a ^ { 3 } - b ^ { 3 } - c ^ { 3 } = 0

then the value of

a ^ { 9 } - c ^ { 9 } - c ^ { 9 } - 3 a ^ { 3 } b ^ { 3 } c ^ { 3 }

Solution:

a + b + c = 0 ,

then

a ^ { 3 } + b ^ { 3 } + c ^ { 3 } - 3 a b c = 0

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