Question

(99)3 evaluate using suitable identity

Answer 1

Answer:

(99)^3  =  970299

Step-by-step explanation:

(99)3 evaluate using suitable identity

(100-1)^3

{Identity:-(a)^3 + 3ab(a+b) + (b)^3}

a=100 , b= -1

(a)^3 + 3ab(a+b) + (b)^3

(100)^3 + 3(100)(-1)(100+(-1)) + (-1)^3

1000000-300(99)-1

1000000-29700-1

970299

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