CAT 2019 Slot 1 Solutions Quantitative Aptitude | Real Roots | Question and Answer

#cat2019 #cat2020
The number of the real roots of the equation 2cos (x ( x + 1 ) ) = 2x + 2-x is
A) 0
B) Infinite
C) 1
D) 2

*******************************************************************

Best wishes for CAT preparation.

[vishnusai]

Great approach to every problem sir!!!
Not only are the solutions elegant I just love the way Rajesh sir starts every problem saying "Wondderful"
Just makes me want to enjoy every "math question" and not look into it as a "math problem"!!
Thank you 🙏🙏