Question 129

Three numbers are in an arithematic progession. their sum is 3 The third number is greater than first number by 16 ,then the product of those three number is

Solution

Let x-d,x and x+d be the three numbers.

Then in question given that

x - d + x + d + x = 3 or x = 1 and also given that

x + d - x + d = 16 or d = 8

then we get the sequence = -7,1 and 9 so then multiplication on all term

we get -63 Answer

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