Q.

Let 'a'denote the roots of equation coscos-1x+sin-1sin1+x22=2sec-1(secx) then possible values of [|10a|] where [.] denotes the  greatest integer function will be

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

1

b

5

c

10

d

Both (1)  and ( 3)

answer is D.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

We have, x∈[-1,0]⇒x+1+x22=-2x⇒x2+6x+1=0⇒a=x=22-3⇒|10a|=|202-30|=30-202Also, x∈[0,1]⇒x+1+x22=2x⇒1+x2=2x⇒a=x=1⇒|10a|=10∴|10a|=10, 30-202⇒[|10a|]=1,10
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
whats app icon
Let 'a'denote the roots of equation coscos-1x+sin-1sin1+x22=2sec-1(secx) then possible values of [|10a|] where [.] denotes the  greatest integer function will be