Factorise using suitable identity:
(10.5)³
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Answered by
5
Answer:
1157.625
Step-by-step explanation:
(10.5)³
= ( 10 + 0.5 )³
using identity:- ( a + b )³ = a³ + b³ + 3ab( a + b)
= (10)³ + (0.5)³ + 3(10)(0.5) [10 + 0.5) ]
= 1000 + 0.125 + 15(10.5)
= 1000 + 0.125 + 157.5
= 1157.625
Answered by
3
Step-by-step explanation:
answer is 1157.625 please mark me at brainly
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