Question

without actually calculating the cubes, find the value of each of the following into minus 10 cube + 7cube+ 3 cube​

Answer 1

Answer:

Let a= -10, b= 7, c=3

If a+ b+ c=0 then, a³ + b³ + c³ = 3abc [Identity]

a + b + c = -10 + 7 + 3  

              = -10+10

              = 0

Therefore, a³ + b³ + c³ = 3abc

                                     = 3(-10)(7)(3)

                                     = -630

Hope it helps you....

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