Others Maths Puzzle

Niloy Sen
If f(x) = max (x^2 ā€“ 4, x, ā€“1), then what is the minimum value of f(x)?
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aā€“ 4
b 1
cā€“1
d0

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Others Other Question

Find the 202nd digit from the right in the product of 4! x 5! x 6!...............71!? the leftmost digit of an integer of length 2000digits is 3.in this integer any two consecutive digits must be divisible by 17 or 23. the 2000 digit may be either a or b.what is the value of a+b?
4
5
3
7