Question

ASSIGNMENT 4
1. Let m, n be positive integers. Let a, b,c,d be distinct real numbers.
f(x) = (x – a)mº+n (x – b)m+2n(x - c)mn(x - d)m+n
Match the following columns:
Column I: Condition
a) If both m and n are odd
b) If m is odd, n is even
c) If m is even, n is odd
d) If both m and n are even
Column II: Number of real values
of x, where the sign of
f(x) changes
p)
4
9) 3
r) 2.
s) 1
1) 0​

Answer 1

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