evaluate (98)3
(120)3
Answers
Answered by
3
Step-by-step explanation:
Using the identity (x+a)(x+b) = x
2
+(a+b)x+ab
Writing 102 as 100+2 and 98 as 100−2
Hence (100+2)(100−2) = 100
2
+[2+(−2)]100+(2)(−2)
= 10000+(0)100−4
= 9996
The answer is 9996
Answered by
7
Answer:
98^3* 120^3 = (98*120)^3
= 11760^3 = 1.6263798e12. ans.
98^3 = 941192. ans.
120^3 = 1728000. ans.
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