Math, asked by siddhant8378, 6 months ago

if x =1, y=2 and z=5, solve x3-y3-z3​

Answers

Answered by Anonymous
5

Answer:

{ \huge{ \mathfrak{ \red{ \fbox{given} {\rightarrow}}}}}\\  \\ \sf {x = 1} \\  \sf{y = 2} \\ \sf{ z = 5} \\  \\ { \huge{ \blue{ \fbox{solution}{ \rightarrow}}}} \\  \\   \rightarrow\sf {{x}^{3}  -  {y}^{3}  -  {z}^{3}}  \\  \\  \rightarrow \sf{ {(1)}^{3}  -  {(2)}^{3}  -  {(5)}^{3} } \\  \\ \rightarrow \sf{(1 \times 1 \times  1 )- (2 \times 2 \times 2) - (5 \times 5 \times 5)} \\  \\  \rightarrow\sf{ 1 - 8 - 125} \\  \\  \rightarrow \sf{1 - 133}  \\ \\  {\rightarrow{ \boxed{ \green{ \fbox{ \colorbox{black}{ \sf{ - 132}}}}}}}

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Answered by knehash2009
0

Answer:  -132

Step-by-step explanation:

 x3-  y3-z3

Substituting x=1,y=2 and z=5 in the given expression:

3    3      3

1   -2-   3      =(1×1×1)-(2×2×2)-(5×5×5)=1-8-125 = -132

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