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Question

What is the number of real solutions of the equation x2 - 7|x| - 18 = 0?

CAT 2021

A
2
CORRECT ANSWER WRONG ANSWER
B
4
CORRECT ANSWER WRONG ANSWER
C
3
CORRECT ANSWER WRONG ANSWER
D
1
CORRECT ANSWER WRONG ANSWER
Solution

Correct option is

(A)

Explanatory Answer :