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
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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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