Question

1 Using suitable identity, find the value of:
86 x 86 x 86 + 14 x 14 x 14
____________________
86 x 86 - 86 X 14 + 14 x 14​

Answer 1

Step-by-step explanation:

86 x 86 x 86 + 14 x 14 x 14

____________________

86 x 86 x 86 - 14 + 14 x 14

= (86)^3 + (14)^3

_______________

(86)^3 - (14)^3

= 63880

________

633312

= 0.10086655

Hope this helps

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