Total number of solutions of the equation x2−4−[x]=0 are (Where [.] denotes the greatest integer function)

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

From the graphs of y=x2−4 and y=[x] , we have two points of intersectionsi.e., two solutions in (-2,-1) and (2,3)

Watch 3-min video & get full concept clarity