The ratio of two positive numbers is 3 : 5 and the average of the number is 48. What is the product of numbers?
Let the number be 3p and 5p
ATQ,
8p = 2 x 48
p = 96/8
p = 12
The numbers are 36 and 60.
Hence, the product of the numbers = 36 x 60 = 2160.
The coefficient of x in(×-3y)3 is :
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